1940 in aviation
Encyclopedia
This is a list of aviation
Aviation
Aviation is the design, development, production, operation, and use of aircraft, especially heavier-than-air aircraft. Aviation is derived from avis, the Latin word for bird.-History:...

-related events from 1940:

Events

  • The worlds first high-performance, purpose-built night fighter
    Night fighter
    A night fighter is a fighter aircraft adapted for use at night or in other times of bad visibility...

    , the British Bristol Beaufighter
    Bristol Beaufighter
    The Bristol Type 156 Beaufighter, often referred to as simply the Beau, was a British long-range heavy fighter modification of the Bristol Aeroplane Company's earlier Beaufort torpedo bomber design...

    , enters combat.
  • The Consolidated Aircraft Corporation absorbs the Hall Aluminum Aircraft Corporation.

January

  • The Soviets use observation balloon
    Observation balloon
    Observation balloons are balloons that are employed as aerial platforms for intelligence gathering and artillery spotting. Their use began during the French Revolutionary Wars, reaching their zenith during World War I, and they continue in limited use today....

    s to pinpoint the locations of Finnish artillery
    Artillery
    Originally applied to any group of infantry primarily armed with projectile weapons, artillery has over time become limited in meaning to refer only to those engines of war that operate by projection of munitions far beyond the range of effect of personal weapons...

     emplacements and bunker
    Bunker
    A military bunker is a hardened shelter, often buried partly or fully underground, designed to protect the inhabitants from falling bombs or other attacks...

    s during a static period of the Winter War
    Winter War
    The Winter War was a military conflict between the Soviet Union and Finland. It began with a Soviet offensive on 30 November 1939 – three months after the start of World War II and the Soviet invasion of Poland – and ended on 13 March 1940 with the Moscow Peace Treaty...

     between the Soviet Union
    Soviet Union
    The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

     and Finland
    Finland
    Finland , officially the Republic of Finland, is a Nordic country situated in the Fennoscandian region of Northern Europe. It is bordered by Sweden in the west, Norway in the north and Russia in the east, while Estonia lies to its south across the Gulf of Finland.Around 5.4 million people reside...

    . The Soviet Air Force
    Soviet Air Force
    The Soviet Air Force, officially known in Russian as Военно-воздушные силы or Voenno-Vozdushnye Sily and often abbreviated VVS was the official designation of one of the air forces of the Soviet Union. The other was the Soviet Air Defence Forces...

     engages in almost continuous bombardment of Finnish ground positions.
  • January 6 – Finnish Air Force
    Finnish Air Force
    The Finnish Air Force is one of the branches of the Finnish Defence Forces. Its peacetime tasks are airspace surveillance, identification flights, and production of readiness formations for wartime conditions...

     Lieutenant
    Lieutenant
    A lieutenant is a junior commissioned officer in many nations' armed forces. Typically, the rank of lieutenant in naval usage, while still a junior officer rank, is senior to the army rank...

     Jorma Sarvanto
    Jorma Sarvanto
    Jorma Kalevi Sarvanto was a Finnish Air Force pilot and the foremost Finnish fighter ace of the Winter War.-Early life:...

     shoots down six Soviet Ilyushin DB-3
    Ilyushin DB-3
    The Ilyushin DB-3 was a Soviet bomber aircraft of World War II. It was a twin-engined, low-wing monoplane that first flew in 1935. It was the precursor of the Ilyushin Il-4...

     bombers out of a formation of seven in four minutes.

February

  • February 1 – The Soviets begin a new ground offensive in Finland, supported by about 500 bombers.
  • February 28 – Germany begins the scrapping of the second Graf Zeppelin-class
    Graf Zeppelin class aircraft carrier
    The Graf Zeppelin-class aircraft carriers were two German Kriegsmarine aircraft carriers laid down in the mid-1930s as part of the Plan Z rearmament program. Four ships were initially envisioned but reduced to two by Grand Admiral Erich Raeder in 1939...

     aircraft carrier
    Aircraft carrier
    An aircraft carrier is a warship designed with a primary mission of deploying and recovering aircraft, acting as a seagoing airbase. Aircraft carriers thus allow a naval force to project air power worldwide without having to depend on local bases for staging aircraft operations...

    , Flugzeugträger B
    Flugzeugträger B
    The Flugzeugträger B was the sister ship of the Kriegsmarine's only launched aircraft carrier, the Graf Zeppelin....

    , while she still is incomplete on the building ways. Scrapping is completed four months later.
  • February 29 – An attack by 40 Polikarpov I-153
    Polikarpov I-153
    The Russian Polikarpov I-153 Chaika was a late 1930s Soviet biplane fighter. Developed as an advanced version of the I-15 with a retractable undercarriage, the I-153 fought in the Soviet-Japanese combats in Mongolia and was one of the Soviet's major fighter types in the early years of the Second...

     and Polikarpov I-16
    Polikarpov I-16
    The Polikarpov I-16 was a Soviet fighter aircraft of revolutionary design; it was the world's first cantilever-winged monoplane fighter with retractable landing gear. The I-16 was introduced in the mid-1930s and formed the backbone of the Soviet Air Force at the beginning of World War II...

     fighters on the Finnish Air Force
    Finnish Air Force
    The Finnish Air Force is one of the branches of the Finnish Defence Forces. Its peacetime tasks are airspace surveillance, identification flights, and production of readiness formations for wartime conditions...

     airfield at Ruokalahti is the most successful Soviet Air Force
    Soviet Air Force
    The Soviet Air Force, officially known in Russian as Военно-воздушные силы or Voenno-Vozdushnye Sily and often abbreviated VVS was the official designation of one of the air forces of the Soviet Union. The other was the Soviet Air Defence Forces...

     strike of the Winter War
    Winter War
    The Winter War was a military conflict between the Soviet Union and Finland. It began with a Soviet offensive on 30 November 1939 – three months after the start of World War II and the Soviet invasion of Poland – and ended on 13 March 1940 with the Moscow Peace Treaty...

    . Surprising the Finns on the ground, the Soviets shoot down three Gloster Gladiator
    Gloster Gladiator
    The Gloster Gladiator was a British-built biplane fighter. It was used by the Royal Air Force and the Royal Navy and was exported to a number of other air forces during the late 1930s. It was the RAF's last biplane fighter aircraft and was rendered obsolete by newer monoplane designs even as it...

    s as they try to get airborne and shoot down two more Gladiators and a Fokker D.XXI
    Fokker D.XXI
    -See also:-References:NotesBibliography* De Jong, Peter. Le Fokker D.21 . Outreau, France: Éditions Lela Presse, 2005. ISBN 2-914017-26-X....

     in an ensuring dogfight, losing only one I-16 in exchange.
  • February 29 – The Finnish government
    Government of Finland
    Finland is a republic with a representative democracy governed accordingly to the principles of parliamentarism. Legislative power is vested in the Parliament of Finland . Executive power is exercised by the Cabinet, officially termed Council of State , which is led by the Prime Minister, the Head...

     asks the United Kingdom
    United Kingdom
    The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

     and France
    France
    The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

     to send 100 bombers with crews and bombs to Finland at once to assist in the war with the Soviet Union.

March

  • The United States
    United States
    The United States of America is a federal constitutional republic comprising fifty states and a federal district...

     begins construction of a U.S. Navy seaplane
    Seaplane
    A seaplane is a fixed-wing aircraft capable of taking off and landing on water. Seaplanes that can also take off and land on airfields are a subclass called amphibian aircraft...

     base at Midway Atoll
    Midway Atoll
    Midway Atoll is a atoll in the North Pacific Ocean, near the northwestern end of the Hawaiian archipelago, about one-third of the way between Honolulu, Hawaii, and Tokyo, Japan. Unique among the Hawaiian islands, Midway observes UTC-11 , eleven hours behind Coordinated Universal Time and one hour...

    .
  • March 2 – The United Kingdom and France promise to send 100 bombers with crews and bombs to assist Finland at once, but do not follow through on the promise.
  • March 6 – France informs the Finnish government
    Government of Finland
    Finland is a republic with a representative democracy governed accordingly to the principles of parliamentarism. Legislative power is vested in the Parliament of Finland . Executive power is exercised by the Cabinet, officially termed Council of State , which is led by the Prime Minister, the Head...

     that it will dispatch an expeditionary force including 72 bombers to Finland on March 13, but the Winter War
    Winter War
    The Winter War was a military conflict between the Soviet Union and Finland. It began with a Soviet offensive on 30 November 1939 – three months after the start of World War II and the Soviet invasion of Poland – and ended on 13 March 1940 with the Moscow Peace Treaty...

     ends before the French force can begin its journey.
  • March 13 – The Winter War
    Winter War
    The Winter War was a military conflict between the Soviet Union and Finland. It began with a Soviet offensive on 30 November 1939 – three months after the start of World War II and the Soviet invasion of Poland – and ended on 13 March 1940 with the Moscow Peace Treaty...

     between the Soviet Union
    Soviet Union
    The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

     and Finland
    Finland
    Finland , officially the Republic of Finland, is a Nordic country situated in the Fennoscandian region of Northern Europe. It is bordered by Sweden in the west, Norway in the north and Russia in the east, while Estonia lies to its south across the Gulf of Finland.Around 5.4 million people reside...

     ends in the defeat of Finland. During the 3½-month war, the Finnish Air Force
    Finnish Air Force
    The Finnish Air Force is one of the branches of the Finnish Defence Forces. Its peacetime tasks are airspace surveillance, identification flights, and production of readiness formations for wartime conditions...

     has grown from 96 to 287 aircraft, and has lost 62 aircraft in air-to-air combat and 59 more damaged beyond repair, while the Soviet Union has lost between 700 and 900 – 725 confirmed destroyed and about 200 unconfirmed – of the 2,500 to 3,000 aircraft it has committed to the campaign, and another 300 damaged. The Soviet Air Force
    Soviet Air Force
    The Soviet Air Force, officially known in Russian as Военно-воздушные силы or Voenno-Vozdushnye Sily and often abbreviated VVS was the official designation of one of the air forces of the Soviet Union. The other was the Soviet Air Defence Forces...

     has dropped 150,000 bombs – about 7,500 tons (6,803,955 kg) of bombs – on Finnish territory, but has performed poorly; its operations in early December 1939 had failed to disrupt Finnish mobilization
    Mobilization
    Mobilization is the act of assembling and making both troops and supplies ready for war. The word mobilization was first used, in a military context, in order to describe the preparation of the Prussian army during the 1850s and 1860s. Mobilization theories and techniques have continuously changed...

     and, despite unusually clear weather in January and February, it failed to disrupt the lone railroad connecting Finland with the outside world for more than a few hours at a time or to disrupt Finnish merchant shipping, despite 60 air raids on Finnish ports.
  • March 16 – The United Kingdom
    United Kingdom
    The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

     suffers its first civilian air-raid casualties of the war after a raid by the Luftwaffes Kampfgeschwader 26
    Kampfgeschwader 26
    Kampfgeschwader 26 "Löwengeschwader" was a Luftwaffe bomber wing during World War II .Its units participated on all of the fronts in the European Theatre until it was disbanded in September–October 1944. It operated two of the major German bomber types; the Heinkel He 111 and the Junkers Ju 88...

     on Scapa Flow
    Scapa Flow
    right|thumb|Scapa Flow viewed from its eastern endScapa Flow is a body of water in the Orkney Islands, Scotland, United Kingdom, sheltered by the islands of Mainland, Graemsay, Burray, South Ronaldsay and Hoy. It is about...

    .
  • March 19-20 (overnight) – Royal Air Force
    Royal Air Force
    The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

     Bomber Command
    Bomber Command
    Bomber Command is an organizational military unit, generally subordinate to the air force of a country. Many countries have a "Bomber Command", although the most famous ones were in Britain and the United States. A Bomber Command is generally used for Strategic bombing , and is composed of bombers...

     conducts its first attack of World War II
    World War II
    World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

     against a land target, when 20 Hampdens
    Handley Page Hampden
    The Handley Page HP.52 Hampden was a British twin-engine medium bomber of the Royal Air Force serving in the Second World War. With the Whitley and Wellington, the Hampden bore the brunt of the early bombing war over Europe, taking part in the first night raid on Berlin and the first 1,000-plane...

     and 30 Whitleys
    Armstrong Whitworth Whitley
    The Armstrong Whitworth A.W.38 Whitley was one of three British twin-engine, front line medium bomber types in service with the Royal Air Force at the outbreak of the Second World War...

     strike the German seaplane
    Seaplane
    A seaplane is a fixed-wing aircraft capable of taking off and landing on water. Seaplanes that can also take off and land on airfields are a subclass called amphibian aircraft...

     base at Hörnum
    Hörnum
    Hörnum is a municipality in the district of Nordfriesland, in Schleswig-Holstein, Germany. It is located on the southern headland of the island of Sylt...

     on the island of Sylt
    Sylt
    Sylt is an island in northern Germany, part of Nordfriesland district, Schleswig-Holstein, and well known for the distinctive shape of its shoreline. It belongs to the North Frisian Islands and is the largest island in North Frisia...

    . One Whitley is lost.
  • March 25 – The United States Government grants permission to American aircraft manufacturers to sell advanced combat aircraft to countries fighting the Axis powers
    Axis Powers
    The Axis powers , also known as the Axis alliance, Axis nations, Axis countries, or just the Axis, was an alignment of great powers during the mid-20th century that fought World War II against the Allies. It began in 1936 with treaties of friendship between Germany and Italy and between Germany and...

    .

April

  • For the second time, U.S. Army Air Corps bomber
    Bomber
    A bomber is a military aircraft designed to attack ground and sea targets, by dropping bombs on them, or – in recent years – by launching cruise missiles at them.-Classifications of bombers:...

    s from Oahu
    Oahu
    Oahu or Oahu , known as "The Gathering Place", is the third largest of the Hawaiian Islands and most populous of the islands in the U.S. state of Hawaii. The state capital Honolulu is located on the southeast coast...

     bomb lava tube
    Lava tube
    Lava tubes are natural conduits through which lava travels beneath the surface of a lava flow, expelled by a volcano during an eruption. They can be actively draining lava from a source, or can be extinct, meaning the lava flow has ceased and the rock has cooled and left a long, cave-like...

    s to try to prevent lava
    Lava
    Lava refers both to molten rock expelled by a volcano during an eruption and the resulting rock after solidification and cooling. This molten rock is formed in the interior of some planets, including Earth, and some of their satellites. When first erupted from a volcanic vent, lava is a liquid at...

     from an eruption of Mauna Loa
    Mauna Loa
    Mauna Loa is one of five volcanoes that form the Island of Hawaii in the U.S. state of Hawaii in the Pacific Ocean, and the largest on Earth in terms of volume and area covered. It is an active shield volcano, with a volume estimated at approximately , although its peak is about lower than that...

     from reaching Hilo in the Territory of Hawaii
    Territory of Hawaii
    The Territory of Hawaii or Hawaii Territory was an organized incorporated territory of the United States that existed from July 7, 1898, until August 21, 1959, when its territory, with the exception of Johnston Atoll, was admitted to the Union as the fiftieth U.S. state, the State of Hawaii.The U.S...

    . The bombing fails, although the lava stops naturally before reaching Hilo.
  • April 9 – Germany invades Denmark
    Denmark
    Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...

     and Norway
    Norway
    Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

    , making extensive use of paratroops. Royal Air Force
    Royal Air Force
    The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

     Bomber Command
    Bomber Command
    Bomber Command is an organizational military unit, generally subordinate to the air force of a country. Many countries have a "Bomber Command", although the most famous ones were in Britain and the United States. A Bomber Command is generally used for Strategic bombing , and is composed of bombers...

     is ordered to halt the German advance through southern Norway; the missions require 1000 miles (1,609.3 km) round trips, almost entirely over the North Sea
    North Sea
    In the southwest, beyond the Straits of Dover, the North Sea becomes the English Channel connecting to the Atlantic Ocean. In the east, it connects to the Baltic Sea via the Skagerrak and Kattegat, narrow straits that separate Denmark from Norway and Sweden respectively...

    .
  • April 10 – German Dornier Do 17
    Dornier Do 17
    The Dornier Do 17, sometimes referred to as the Fliegender Bleistift , was a World War II German light bomber produced by Claudius Dornier's company, Dornier Flugzeugwerke...

    s and Heinkel He 111
    Heinkel He 111
    The Heinkel He 111 was a German aircraft designed by Siegfried and Walter Günter in the early 1930s in violation of the Treaty of Versailles. Often described as a "Wolf in sheep's clothing", it masqueraded as a transport aircraft, but its purpose was to provide the Luftwaffe with a fast medium...

    s attack British towns and shore facilitied in the Scapa Flow
    Scapa Flow
    right|thumb|Scapa Flow viewed from its eastern endScapa Flow is a body of water in the Orkney Islands, Scotland, United Kingdom, sheltered by the islands of Mainland, Graemsay, Burray, South Ronaldsay and Hoy. It is about...

     area in the Orkney Islands
    Orkney Islands
    Orkney also known as the Orkney Islands , is an archipelago in northern Scotland, situated north of the coast of Caithness...

    . Defending Gloster Sea Gladiators of the Fleet Air Arm
    Fleet Air Arm
    The Fleet Air Arm is the branch of the British Royal Navy responsible for the operation of naval aircraft. The Fleet Air Arm currently operates the AgustaWestland Merlin, Westland Sea King and Westland Lynx helicopters...

    s No. 804 Squadron
    804 Naval Air Squadron
    804 Naval Air Squadron was a Naval Air Squadron of the Royal Navy, formed in November 1939 from part of 769 NAS Sea Gladiators which had been detached to RNAS Hatston. The squadron was merged into 800 NAS in June 1944 and subsequently reformed in September.-World War II:During World War II, she...

     shoot down one He 111.
  • April 10 – Sixteen Royal Navy
    Royal Navy
    The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

     Fleet Air Arm
    Fleet Air Arm
    The Fleet Air Arm is the branch of the British Royal Navy responsible for the operation of naval aircraft. The Fleet Air Arm currently operates the AgustaWestland Merlin, Westland Sea King and Westland Lynx helicopters...

     Blackburn Skua
    Blackburn Skua
    The Blackburn B-24 Skua was a carrier-based low-wing, two-seater, single-radial engine aircraft operated by the British Fleet Air Arm which combined the functions of a dive bomber and fighter. It was designed in the mid-1930s, and saw service in the early part of the Second World War...

     dive bomber
    Dive bomber
    A dive bomber is a bomber aircraft that dives directly at its targets in order to provide greater accuracy for the bomb it drops. Diving towards the target reduces the distance the bomb has to fall, which is the primary factor in determining the accuracy of the drop...

    s sink the German light cruiser
    Light cruiser
    A light cruiser is a type of small- or medium-sized warship. The term is a shortening of the phrase "light armored cruiser", describing a small ship that carried armor in the same way as an armored cruiser: a protective belt and deck...

     Königsberg
    German cruiser Königsberg
    Königsberg was a light cruiser of the in the German Reichsmarine and Kriegsmarine. Her sisterships were Köln and Karlsruhe.After a number of foreign visits in the 1930s, the ship operated along the Spanish coast from November 1936 to January 1937 during the Spanish Civil War...

     at Bergen
    Bergen
    Bergen is the second largest city in Norway with a population of as of , . Bergen is the administrative centre of Hordaland county. Greater Bergen or Bergen Metropolitan Area as defined by Statistics Norway, has a population of as of , ....

    , Norway
    Norway
    Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

    . It is the first time in history that dive bombers sink a major warship. One Skua is lost.
  • April 11 – The first aerial torpedo
    Torpedo
    The modern torpedo is a self-propelled missile weapon with an explosive warhead, launched above or below the water surface, propelled underwater towards a target, and designed to detonate either on contact with it or in proximity to it.The term torpedo was originally employed for...

     attack of World War II and the first coordinated torpedo attack launched from an aircraft carrier in history takes place, as Fairey Swordfish
    Fairey Swordfish
    The Fairey Swordfish was a torpedo bomber built by the Fairey Aviation Company and used by the Fleet Air Arm of the Royal Navy during the Second World War...

     torpedo bomber
    Torpedo bomber
    A torpedo bomber is a bomber aircraft designed primarily to attack ships with aerial torpedoes which could also carry out conventional bombings. Torpedo bombers existed almost exclusively prior to and during World War II when they were an important element in many famous battles, notably the...

    s from the British aircraft carrier attack two German destroyers in Trondheimsfjord
    Trondheimsfjord
    The Trondheimsfjord , an inlet of the Norwegian Sea, is Norway's third longest fjord at long. It is located in the west central part of the country, and it stretches from Ørland in west to Steinkjer in north, passing the city of Trondheim on its way...

    , Norway. The torpedoes all ground in the shallows and no hits are achieved; three aircraft are lost.
  • April 12 – RAF Bomber Command loses six Hampdens
    Handley Page Hampden
    The Handley Page HP.52 Hampden was a British twin-engine medium bomber of the Royal Air Force serving in the Second World War. With the Whitley and Wellington, the Hampden bore the brunt of the early bombing war over Europe, taking part in the first night raid on Berlin and the first 1,000-plane...

     and three Wellingtons
    Vickers Wellington
    The Vickers Wellington was a British twin-engine, long range medium bomber designed in the mid-1930s at Brooklands in Weybridge, Surrey, by Vickers-Armstrongs' Chief Designer, R. K. Pierson. It was widely used as a night bomber in the early years of the Second World War, before being displaced as a...

     in a daylight raid against German forces at Stavanger
    Stavanger
    Stavanger is a city and municipality in the county of Rogaland, Norway.Stavanger municipality has a population of 126,469. There are 197,852 people living in the Stavanger conurbation, making Stavanger the fourth largest city, but the third largest urban area, in Norway...

    , Norway. It is the last daylight raid by the two types of aircraft in northwestern Europe.
  • April 13 – During the Second Battle of Narvik, a Swordfish
    Fairey Swordfish
    The Fairey Swordfish was a torpedo bomber built by the Fairey Aviation Company and used by the Fleet Air Arm of the Royal Navy during the Second World War...

     floatplane
    Floatplane
    A floatplane is a type of seaplane, with slender pontoons mounted under the fuselage; only the floats of a floatplane normally come into contact with water, with the fuselage remaining above water...

     from the British battleship
    Battleship
    A battleship is a large armored warship with a main battery consisting of heavy caliber guns. Battleships were larger, better armed and armored than cruisers and destroyers. As the largest armed ships in a fleet, battleships were used to attain command of the sea and represented the apex of a...

      sinks the German submarine
    Submarine
    A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which has more limited underwater capability...

     U-64
    German submarine U-64 (1939)
    German submarine U-64 was a Type IXB U-boat of the German Kriegsmarine during World War II. U-64 was ordered by the Kriegsmarine on 16 July 1937 in violation of the Treaty of Versailles and as part of the German naval rearmament program Plan Z. Her keel was laid down by AG Weser in Bremen on 15...

     in Herjangsfjorden off Bjerkvik
    Bjerkvik
    Bjerkvik is a village in the municipality of Narvik, Norway. Its population is 1,220. Bjerkvik is located at the head of Herjangsfjorden, an arm of Ofotfjord in the northeastern corner of Nordland county. There is less than 20 km to the border with Troms...

    , Norway – the first time that a Royal Navy aircraft sinks an enemy submarine during World War II – spots gunfire for Warspite and ships accompanying her in Ofotfjord
    Ofotfjord
    Ofotfjord or Narvik Fjord, an inlet of the Norwegian sea north of the Arctic circle, is Norway's 12th longest fjord, long, and the 18th deepest, with a maximum depth of . Along the shores of this fjord is the major town of Narvik...

    , resulting in the destruction of seven German destroyer
    Destroyer
    In naval terminology, a destroyer is a fast and maneuverable yet long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against smaller, powerful, short-range attackers. Destroyers, originally called torpedo-boat destroyers in 1892, evolved from...

    s, and finishes off one of the destroyers with a bombing attack.
  • April 13–14 (overnight) – The Royal Air Force begins deploying sea mines
    Naval mine
    A naval mine is a self-contained explosive device placed in water to destroy surface ships or submarines. Unlike depth charges, mines are deposited and left to wait until they are triggered by the approach of, or contact with, an enemy vessel...

     in Germanys coastal waters.
  • April 24 - The British aircraft carrier
    Aircraft carrier
    An aircraft carrier is a warship designed with a primary mission of deploying and recovering aircraft, acting as a seagoing airbase. Aircraft carriers thus allow a naval force to project air power worldwide without having to depend on local bases for staging aircraft operations...

     HMS Glorious flies off the Gloster Gladiator
    Gloster Gladiator
    The Gloster Gladiator was a British-built biplane fighter. It was used by the Royal Air Force and the Royal Navy and was exported to a number of other air forces during the late 1930s. It was the RAF's last biplane fighter aircraft and was rendered obsolete by newer monoplane designs even as it...

    s of the Royal Air Forces No. 263 Squadron
    No. 263 Squadron RAF
    No 263 Squadron was an Royal Air Force fighter squadron formed in Italy towards the end of World War I. After being disbanded in 1919 it reformed in 1939 flying mainly strike and heavy fighter aircraft until becoming No 1 Squadron in 1958.-First World War:...

     for service ashore in Norway. The Gladiators then operate from a landing strip on Lesjaskogsvatnet
    Lesjaskogsvatnet
    Lesjaskogsvatnet is a lake which serves as the headwaters for Gudbrandsdalslågen . Gudbrandsdalslågen flows through the Gudbrandsdal valley bottom, ending in lake Mjøsa....

    , a lake near Åndalsnes
    Åndalsnes
    is a town in the municipality of Rauma in Møre og Romsdal county, Norway. Åndalsnes is the administrative center of Rauma. The town has a population of 2,207...

    .
  • April 25 – Oberfeldwebel Hermann Förster is the first German night fighter
    Night fighter
    A night fighter is a fighter aircraft adapted for use at night or in other times of bad visibility...

     pilot to shoot down a British bomber during World War II. Flying a Messerschmitt Bf 109D-1
    Messerschmitt Bf 109
    The Messerschmitt Bf 109, often called Me 109, was a German World War II fighter aircraft designed by Willy Messerschmitt and Robert Lusser during the early to mid 1930s...

    , he downs a Handley Page Hampden
    Handley Page Hampden
    The Handley Page HP.52 Hampden was a British twin-engine medium bomber of the Royal Air Force serving in the Second World War. With the Whitley and Wellington, the Hampden bore the brunt of the early bombing war over Europe, taking part in the first night raid on Berlin and the first 1,000-plane...

     laying naval mine
    Naval mine
    A naval mine is a self-contained explosive device placed in water to destroy surface ships or submarines. Unlike depth charges, mines are deposited and left to wait until they are triggered by the approach of, or contact with, an enemy vessel...

    s off the coast of Schleswig-Holstein
    Schleswig-Holstein
    Schleswig-Holstein is the northernmost of the sixteen states of Germany, comprising most of the historical duchy of Holstein and the southern part of the former Duchy of Schleswig...

    .
  • April 25 – Swordfish
    Fairey Swordfish
    The Fairey Swordfish was a torpedo bomber built by the Fairey Aviation Company and used by the Fleet Air Arm of the Royal Navy during the Second World War...

     and Skua
    Blackburn Skua
    The Blackburn B-24 Skua was a carrier-based low-wing, two-seater, single-radial engine aircraft operated by the British Fleet Air Arm which combined the functions of a dive bomber and fighter. It was designed in the mid-1930s, and saw service in the early part of the Second World War...

    s from the British aircraft carriers HMS Ark Royal
    HMS Ark Royal (91)
    HMS Ark Royal was an aircraft carrier of the Royal Navy that served during the Second World War.Designed in 1934 to fit the restrictions of the Washington Naval Treaty, Ark Royal was built by Cammell Laird and Company, Ltd. at Birkenhead, England, and completed in November 1938. Her design...

     and HMS Glorious raid targets in the Trondheim
    Trondheim
    Trondheim , historically, Nidaros and Trondhjem, is a city and municipality in Sør-Trøndelag county, Norway. With a population of 173,486, it is the third most populous municipality and city in the country, although the fourth largest metropolitan area. It is the administrative centre of...

     area in Norway.
  • April 28 – Aircraft from HMS Ark Royal raid the Trondheim area, causing considerable damage to the German-held airfield at Vaernes, Norway.

May

  • The Imperial Japanese Navy
    Imperial Japanese Navy
    The Imperial Japanese Navy was the navy of the Empire of Japan from 1869 until 1947, when it was dissolved following Japan's constitutional renunciation of the use of force as a means of settling international disputes...

    s air arm begins Operation 101, the largest aerial offensive of the Second Sino-Japanese War
    Second Sino-Japanese War
    The Second Sino-Japanese War was a military conflict fought primarily between the Republic of China and the Empire of Japan. From 1937 to 1941, China fought Japan with some economic help from Germany , the Soviet Union and the United States...

     to date, seeking to destroy Nationalist Chinese air capabilities in Szechuan Province and military facilities around Chungking. It continues until the end of the summer, and will involve 3,715 sorties in 182 raids and the dropping of over 2,000 tons (1,814,388 kg) of bomb
    Bomb
    A bomb is any of a range of explosive weapons that only rely on the exothermic reaction of an explosive material to provide an extremely sudden and violent release of energy...

    s.
  • Germany suspends construction of the aircraft carrier Graf Zeppelin
    German aircraft carrier Graf Zeppelin
    German aircraft carrier Graf Zeppelin was the lead ship in a class of two carriers ordered by the Kriegsmarine. She was the only aircraft carrier launched by Germany during World War II and represented part of the Kriegsmarine's attempt to create a well-balanced oceangoing fleet, capable of...

    . It will not resume until May 1942.
  • May 1 – German aircraft attack the British aircraft carrier HMS Glorious off Norway. Her embarked Gloster Sea Gladiators defend her.
  • May 5 – The British aircraft carrier HMS Ark Royal
    HMS Ark Royal (91)
    HMS Ark Royal was an aircraft carrier of the Royal Navy that served during the Second World War.Designed in 1934 to fit the restrictions of the Washington Naval Treaty, Ark Royal was built by Cammell Laird and Company, Ltd. at Birkenhead, England, and completed in November 1938. Her design...

     begins a week and a half of support to Allied
    Allies of World War II
    The Allies of World War II were the countries that opposed the Axis powers during the Second World War . Former Axis states contributing to the Allied victory are not considered Allied states...

     forces in the Narvik
    Narvik
    is the third largest city and municipality in Nordland county, Norway by population. Narvik is located on the shores of the Narvik Fjord . The municipality is part of the Ofoten traditional region of North Norway, inside the arctic circle...

     area of Norway.
  • May 10 – Germany invades the Netherlands
    Netherlands
    The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

    , Belgium
    Belgium
    Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...

    , and Luxembourg
    Luxembourg
    Luxembourg , officially the Grand Duchy of Luxembourg , is a landlocked country in western Europe, bordered by Belgium, France, and Germany. It has two principal regions: the Oesling in the North as part of the Ardennes massif, and the Gutland in the south...

    . Paratroops again play a key role. German aircraft surprise aircraft of the Royal Air Force
    Royal Air Force
    The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

    s Advanced Air Striking Force on the ground, but inflict only light damage. Thirty-three Blenheims
    Bristol Blenheim
    The Bristol Blenheim was a British light bomber aircraft designed and built by the Bristol Aeroplane Company that was used extensively in the early days of the Second World War. It was adapted as an interim long-range and night fighter, pending the availability of the Beaufighter...

     attack German transport aircraft
    Transport aircraft
    Transport aircraft is a broad category of aircraft that includes:* Airliners* Cargo aircraft* Mail planes* Military transport aircraft...

     and other targets in the Netherlands, losing three aircraft. At noon, 32 Fairey Battle
    Fairey Battle
    The Fairey Battle was a British single-engine light bomber built by the Fairey Aviation Company in the late 1930s for the Royal Air Force. The Battle was powered by the same Rolls-Royce Merlin piston engine that gave contemporary British fighters high performance; however, the Battle was weighed...

    s attack German ground forces in Luxembourg, losing 13 aircraft shot down and the rest damaged; a second raid by 32 Battles sees the loss of 10 more aircraft.
  • May 11-12 (overnight) – British bombers drop bombs on a German town for the first time, as 37 Handley Page Hampden
    Handley Page Hampden
    The Handley Page HP.52 Hampden was a British twin-engine medium bomber of the Royal Air Force serving in the Second World War. With the Whitley and Wellington, the Hampden bore the brunt of the early bombing war over Europe, taking part in the first night raid on Berlin and the first 1,000-plane...

    s and Armstrong Whitworth Whitley
    Armstrong Whitworth Whitley
    The Armstrong Whitworth A.W.38 Whitley was one of three British twin-engine, front line medium bomber types in service with the Royal Air Force at the outbreak of the Second World War...

    s bomb road and rail junctions near Mönchengladbach
    Mönchengladbach
    Mönchengladbach , formerly known as Münchengladbach, is a city in North Rhine-Westphalia, Germany. It is located west of the Rhine half way between Düsseldorf and the Dutch border....

    . Three British bombers are lost.
  • May 13 – The Sikorsky VS-300, which made its first flight the previous year, makes its first untethered flight.
  • May 14 – The Allies
    Allies of World War II
    The Allies of World War II were the countries that opposed the Axis powers during the Second World War . Former Axis states contributing to the Allied victory are not considered Allied states...

     lose 110 aircraft – 70 British Fairey Battle
    Fairey Battle
    The Fairey Battle was a British single-engine light bomber built by the Fairey Aviation Company in the late 1930s for the Royal Air Force. The Battle was powered by the same Rolls-Royce Merlin piston engine that gave contemporary British fighters high performance; however, the Battle was weighed...

    s and Bristol Blenheim
    Bristol Blenheim
    The Bristol Blenheim was a British light bomber aircraft designed and built by the Bristol Aeroplane Company that was used extensively in the early days of the Second World War. It was adapted as an interim long-range and night fighter, pending the availability of the Beaufighter...

    s and forty French planes – on one day in a disastrous attempt to bomb bridges over the River Meuse.
  • May 14 – Fifty-three German Heinkel He.111 bombers drop nearly 100 tons of bombs on Rotterdam
    Rotterdam
    Rotterdam is the second-largest city in the Netherlands and one of the largest ports in the world. Starting as a dam on the Rotte river, Rotterdam has grown into a major international commercial centre...

     in the Netherlands
    Netherlands
    The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

    . The attack
    Rotterdam Blitz
    The Rotterdam Blitz refers to the aerial bombardment of Rotterdam by the German Air Force on 14 May 1940, during the German invasion of the Netherlands in World War II. The objective was to support the German troops fighting in the city, break Dutch resistance and force the Dutch to surrender...

     kills nearly 1,000 people, destroys 20,000 buildings, and leaves 78,000 people homeless.
  • May 15 – During British evacuation and demolition operations in Dutch ports, German dive bombers attack the British destroyer , which is beached and wrecked at the mouth of the Scheldt
    Scheldt
    The Scheldt is a 350 km long river in northern France, western Belgium and the southwestern part of the Netherlands...

    .
  • May 15-16 (overnight) – Royal Air Force Bomber Command
    Bomber Command
    Bomber Command is an organizational military unit, generally subordinate to the air force of a country. Many countries have a "Bomber Command", although the most famous ones were in Britain and the United States. A Bomber Command is generally used for Strategic bombing , and is composed of bombers...

     conducts its first strategic bombing
    Strategic bombing
    Strategic bombing is a military strategy used in a total war with the goal of defeating an enemy nation-state by destroying its economic ability and public will to wage war rather than destroying its land or naval forces...

     raid of World War II, as 99 Hampden, Whitley, and Vickers Wellington
    Vickers Wellington
    The Vickers Wellington was a British twin-engine, long range medium bomber designed in the mid-1930s at Brooklands in Weybridge, Surrey, by Vickers-Armstrongs' Chief Designer, R. K. Pierson. It was widely used as a night bomber in the early years of the Second World War, before being displaced as a...

     bombers strike German targets in the Ruhr Valley. One British bomber is lost.
  • May 17-18 (overnight) – 72 British bombers attack Bremen
    Bremen
    The City Municipality of Bremen is a Hanseatic city in northwestern Germany. A commercial and industrial city with a major port on the river Weser, Bremen is part of the Bremen-Oldenburg metropolitan area . Bremen is the second most populous city in North Germany and tenth in Germany.Bremen is...

    , Cologne
    Cologne
    Cologne is Germany's fourth-largest city , and is the largest city both in the Germany Federal State of North Rhine-Westphalia and within the Rhine-Ruhr Metropolitan Area, one of the major European metropolitan areas with more than ten million inhabitants.Cologne is located on both sides of the...

    , and Hamburg
    Hamburg
    -History:The first historic name for the city was, according to Claudius Ptolemy's reports, Treva.But the city takes its modern name, Hamburg, from the first permanent building on the site, a castle whose construction was ordered by the Emperor Charlemagne in AD 808...

    , killing at least 47 and injuring 127 in Bremen and Hamburg.
  • May 18 – The British aircraft carrier HMS Glorious flies off Fleet Air Arm
    Fleet Air Arm
    The Fleet Air Arm is the branch of the British Royal Navy responsible for the operation of naval aircraft. The Fleet Air Arm currently operates the AgustaWestland Merlin, Westland Sea King and Westland Lynx helicopters...

     Supermarine Walrus
    Supermarine Walrus
    The Supermarine Walrus was a British single-engine amphibious biplane reconnaissance aircraft designed by R. J. Mitchell and operated by the Fleet Air Arm . It also served with the Royal Air Force , Royal Australian Air Force , Royal Canadian Air Force , Royal New Zealand Navy and Royal New...

     flying boat
    Flying boat
    A flying boat is a fixed-winged seaplane with a hull, allowing it to land on water. It differs from a float plane as it uses a purpose-designed fuselage which can float, granting the aircraft buoyancy. Flying boats may be stabilized by under-wing floats or by wing-like projections from the fuselage...

    s of No. 701 Squadron
    701 Naval Air Squadron
    701 Naval Air Squadron was a Royal Navy Fleet Air Arm squadron that saw service during the Second World War.The 700 numbers were appended to training and ancillary squadrons of the Fleet Air Arm. The grouping 700 to 749 had originally included catapult flights. These later became catapult...

     for service at Harstad
    Harstad
    is the second largest city and municipality by population, in Troms county, Norway – the city is also the third largest in North Norway. Thus Harstad is the natural centre for its district. Situated approximately north of the Arctic Circle, the city celebrated its 100th anniversary in...

    , Norway.
  • May 19 – During British naval operations to bring refugees from Ostend
    Ostend
    Ostend  is a Belgian city and municipality located in the Flemish province of West Flanders. It comprises the boroughs of Mariakerke , Stene and Zandvoorde, and the city of Ostend proper – the largest on the Belgian coast....

    , Belgium, to the United Kingdom, German bombers sink the British destroyer off Belgium.
  • May 21 – The British aircraft carriers HMS Glorious and HMS Furious
    HMS Furious (47)
    HMS Furious was a modified cruiser built for the Royal Navy during the First World War. Designed to support the Baltic Project championed by the First Sea Lord of the Admiralty, Lord John Fisher, they were very lightly armoured and armed with only a few heavy guns. Furious was modified while...

     fly off Royal Air Force
    Royal Air Force
    The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

     aircraft for service ashore at Bardufoss
    Bardufoss
    Bardufoss is a small village in the municipality of Målselv in Troms county, Norway. The population was 2,580. Bardufoss is located in the Målselvdalen valley near the confluence of the Barduelva and Målselva rivers. It is located about north of the city of Narvik and about south of the city...

    , Norway, with Glorious delivering the Hurricanes
    Hawker Hurricane
    The Hawker Hurricane is a British single-seat fighter aircraft that was designed and predominantly built by Hawker Aircraft Ltd for the Royal Air Force...

     of No. 46 Squadron
    No. 46 Squadron RAF
    No. 46 Squadron of the Royal Flying Corps and the Royal Air Force, formed in 1916, was disbanded and re-formed three times before its last disbandment in 1975. It served in both World War I and World War II.- World War I :...

     and Furious the Gladiators
    Gloster Gladiator
    The Gloster Gladiator was a British-built biplane fighter. It was used by the Royal Air Force and the Royal Navy and was exported to a number of other air forces during the late 1930s. It was the RAF's last biplane fighter aircraft and was rendered obsolete by newer monoplane designs even as it...

     of No. 263 Squadron
    No. 263 Squadron RAF
    No 263 Squadron was an Royal Air Force fighter squadron formed in Italy towards the end of World War I. After being disbanded in 1919 it reformed in 1939 flying mainly strike and heavy fighter aircraft until becoming No 1 Squadron in 1958.-First World War:...

    .
  • May 24 – Adolf Hitler
    Adolf Hitler
    Adolf Hitler was an Austrian-born German politician and the leader of the National Socialist German Workers Party , commonly referred to as the Nazi Party). He was Chancellor of Germany from 1933 to 1945, and head of state from 1934 to 1945...

     endorses the "Halt Order," stopping the German ground advance in France against Allied forces surrounded at Dunkirk to allow the Luftwaffe to finish them off. He does not rescind the order until May 26.
  • May 24 – German bombers sink the British destroyer off Calais
    Calais
    Calais is a town in Northern France in the department of Pas-de-Calais, of which it is a sub-prefecture. Although Calais is by far the largest city in Pas-de-Calais, the department's capital is its third-largest city of Arras....

     and damage a British and a Polish
    Poland
    Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

     destroyer while they support British troops fighting there.
  • May 25 – HMS Illustrious enters service with the Royal Navy
    Royal Navy
    The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

     as the worlds first fully armored aircraft carrier
    Aircraft carrier
    An aircraft carrier is a warship designed with a primary mission of deploying and recovering aircraft, acting as a seagoing airbase. Aircraft carriers thus allow a naval force to project air power worldwide without having to depend on local bases for staging aircraft operations...

    .
  • May 26-June 4 – Operation Dynamo, the Dunkirk evacuation, takes place, as 308,888 Allied soldiers are evacuated to the United Kingdom from Dunkirk by sea under continuous German air attack. During the evacuation, German aircraft sink six British and three French destroyers and eight personnel ships and put 19 British destroyers and nine personnel ships out of action.
  • May 27-28 (overnight) – 120 British bombers attack Bremen, Hamburg, Duisburg
    Duisburg
    - History :A legend recorded by Johannes Aventinus holds that Duisburg, was built by the eponymous Tuisto, mythical progenitor of Germans, ca. 2395 BC...

    , Dortmund
    Dortmund
    Dortmund is a city in Germany. It is located in the Bundesland of North Rhine-Westphalia, in the Ruhr area. Its population of 585,045 makes it the 7th largest city in Germany and the 34th largest in the European Union....

    , Neuss
    Neuss
    Neuss is a city in North Rhine-Westphalia, Germany. It is located on the west bank of the Rhine opposite Düsseldorf. Neuss is the largest city within the Rhein-Kreis Neuss district and owes its prosperity to its location at the crossing of historic and modern trade routes. It is primarily known...

    , and other German cities. During the raid, Aircraftman
    Aircraftman
    Aircraftman , or Aircraftwoman , is the lowest rank in the Royal Air Force and the air forces of several other Commonwealth countries....

     Stan Oldridge, rear gunner of a Whitley of No. 10 Squadron
    No. 10 Squadron RAF
    No. 10 Squadron was a Royal Air Force squadron. The squadron served in a variety of roles over its 90 year history...

    , scores the first aerial victory of World War II over a German night fighter, shooting down what was probably a Messerschmitt Bf 109D near Utrecht
    Utrecht
    Utrecht is a city in the Netherlands.The name may also refer to:* Utrecht , of which Utrecht is the capital* Utrecht , including the city of Utrecht* Bishopric of Utrecht* Roman Catholic Archdiocese of Utrecht...

     early on May 28.

June

  • June 4 – BOAC
    Boac
    Boac may refer to:* Boac, Marinduque, a municipality in the Southern Philippines* Boac , an American rapper* British Overseas Airways Corporation, a former British state-owned airline...

     commences a twice-weekly service between the United Kingdom
    United Kingdom
    The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

     and Portugal
    Portugal
    Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...

    , scheduled to connect with Pan Am flights from Lisbon
    Lisbon
    Lisbon is the capital city and largest city of Portugal with a population of 545,245 within its administrative limits on a land area of . The urban area of Lisbon extends beyond the administrative city limits with a population of 3 million on an area of , making it the 9th most populous urban...

     to New York
    New York
    New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

    .
  • June 4 – The first Allied
    Allies of World War II
    The Allies of World War II were the countries that opposed the Axis powers during the Second World War . Former Axis states contributing to the Allied victory are not considered Allied states...

     forces begin to withdraw from Norway
    Norway
    Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

    , covered by aircraft from the British aircraft carrier HMS Ark Royal
    HMS Ark Royal (91)
    HMS Ark Royal was an aircraft carrier of the Royal Navy that served during the Second World War.Designed in 1934 to fit the restrictions of the Washington Naval Treaty, Ark Royal was built by Cammell Laird and Company, Ltd. at Birkenhead, England, and completed in November 1938. Her design...

    .
  • June 7 – HMS Ark Royal brings aboard the five surviving Supermarine Walrus
    Supermarine Walrus
    The Supermarine Walrus was a British single-engine amphibious biplane reconnaissance aircraft designed by R. J. Mitchell and operated by the Fleet Air Arm . It also served with the Royal Air Force , Royal Australian Air Force , Royal Canadian Air Force , Royal New Zealand Navy and Royal New...

     flying boat
    Flying boat
    A flying boat is a fixed-winged seaplane with a hull, allowing it to land on water. It differs from a float plane as it uses a purpose-designed fuselage which can float, granting the aircraft buoyancy. Flying boats may be stabilized by under-wing floats or by wing-like projections from the fuselage...

    s of No. 701 Squadron
    701 Naval Air Squadron
    701 Naval Air Squadron was a Royal Navy Fleet Air Arm squadron that saw service during the Second World War.The 700 numbers were appended to training and ancillary squadrons of the Fleet Air Arm. The grouping 700 to 749 had originally included catapult flights. These later became catapult...

     from Harstad
    Harstad
    is the second largest city and municipality by population, in Troms county, Norway – the city is also the third largest in North Norway. Thus Harstad is the natural centre for its district. Situated approximately north of the Arctic Circle, the city celebrated its 100th anniversary in...

     and HMS Glorious the surviving Hurricanes
    Hawker Hurricane
    The Hawker Hurricane is a British single-seat fighter aircraft that was designed and predominantly built by Hawker Aircraft Ltd for the Royal Air Force...

     of No. 46 Squadron
    No. 46 Squadron RAF
    No. 46 Squadron of the Royal Flying Corps and the Royal Air Force, formed in 1916, was disbanded and re-formed three times before its last disbandment in 1975. It served in both World War I and World War II.- World War I :...

     and Gladiators
    Gloster Gladiator
    The Gloster Gladiator was a British-built biplane fighter. It was used by the Royal Air Force and the Royal Navy and was exported to a number of other air forces during the late 1930s. It was the RAF's last biplane fighter aircraft and was rendered obsolete by newer monoplane designs even as it...

     of No. 263 Squadron
    No. 263 Squadron RAF
    No 263 Squadron was an Royal Air Force fighter squadron formed in Italy towards the end of World War I. After being disbanded in 1919 it reformed in 1939 flying mainly strike and heavy fighter aircraft until becoming No 1 Squadron in 1958.-First World War:...

     from Bardufoss
    Bardufoss
    Bardufoss is a small village in the municipality of Målselv in Troms county, Norway. The population was 2,580. Bardufoss is located in the Målselvdalen valley near the confluence of the Barduelva and Målselva rivers. It is located about north of the city of Narvik and about south of the city...

     as the Allied evacuation from Norway continues.
  • June 8 – The German battlecruiser
    Battlecruiser
    Battlecruisers were large capital ships built in the first half of the 20th century. They were developed in the first decade of the century as the successor to the armoured cruiser, but their evolution was more closely linked to that of the dreadnought battleship...

    s Scharnhorst
    German battleship Scharnhorst
    Scharnhorst was a German capital ship, alternatively described as a battleship and battlecruiser, of the German Kriegsmarine. She was the lead ship of her class, which included one other ship, Gneisenau. The ship was built at the Kriegsmarinewerft dockyard in Wilhelmshaven; she was laid down on 15...

     and Gneisenau
    German battleship Gneisenau
    Gneisenau was a German capital ship, alternatively described as a battleship and battlecruiser, of the German Kriegsmarine. She was the second vessel of her class, which included one other ship, Scharnhorst. The ship was built at the Deutsche Werke dockyard in Kiel; she was laid down on 6 May 1935...

     surprise HMS Glorious with no aircraft aloft or on her flight deck
    Flight deck
    The flight deck of an aircraft carrier is the surface from which its aircraft take off and land, essentially a miniature airfield at sea. On smaller naval ships which do not have aviation as a primary mission, the landing area for helicopters and other VTOL aircraft is also referred to as the...

     during her voyage from Norway to the United Kingdom and sink her and her two escorting destroyer
    Destroyer
    In naval terminology, a destroyer is a fast and maneuverable yet long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against smaller, powerful, short-range attackers. Destroyers, originally called torpedo-boat destroyers in 1892, evolved from...

    s with gunfire. The Royal Navy and Royal Air Force lose 1,472 men aboard Glorious and the two destroyers; only 43 men survive.
  • June 10 – Italy
    Italy
    Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

     declares war on the United Kingdom
    United Kingdom
    The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

     and France
    France
    The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

    . The Italian Royal Air Force (Regia Aeronautica
    Regia Aeronautica
    The Italian Royal Air Force was the name of the air force of the Kingdom of Italy. It was established as a service independent of the Royal Italian Army from 1923 until 1946...

    ) and Italian Royal Navy (Regia Marina
    Regia Marina
    The Regia Marina dates from the proclamation of the Kingdom of Italy in 1861 after Italian unification...

    ) begin the "Siege of Malta"
    Siege of Malta (1940)
    The Siege of Malta was a military campaign in the Mediterranean Theatre of the Second World War. From 1940-1942, the fight for the control of the strategically important island of Malta pitted the air forces and navies of Fascist Italy and Nazi Germany against the Royal Air Force and the Royal...

    , starting with repeated bombing of the island.
  • June 11 – "Haddock Force" – two squadrons of Royal Air Force
    Royal Air Force
    The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

     Bomber Command
    Bomber Command
    Bomber Command is an organizational military unit, generally subordinate to the air force of a country. Many countries have a "Bomber Command", although the most famous ones were in Britain and the United States. A Bomber Command is generally used for Strategic bombing , and is composed of bombers...

     Wellingtons
    Vickers Wellington
    The Vickers Wellington was a British twin-engine, long range medium bomber designed in the mid-1930s at Brooklands in Weybridge, Surrey, by Vickers-Armstrongs' Chief Designer, R. K. Pierson. It was widely used as a night bomber in the early years of the Second World War, before being displaced as a...

     tasked to bomb Italy from bases around Marseilles, France – attempts to launch its first raid. It fails when French soldiers block the runways after local French officials oppose the raid. Haddock Force is disbanded and returns to the United Kingdom the next day.
  • June 11-12 (overnight) – RAF Bomber Command raids Italy for the first time, when 36 Whitleys
    Armstrong Whitworth Whitley
    The Armstrong Whitworth A.W.38 Whitley was one of three British twin-engine, front line medium bomber types in service with the Royal Air Force at the outbreak of the Second World War...

     set out to attack industrial targets in Turin
    Turin
    Turin is a city and major business and cultural centre in northern Italy, capital of the Piedmont region, located mainly on the left bank of the Po River and surrounded by the Alpine arch. The population of the city proper is 909,193 while the population of the urban area is estimated by Eurostat...

    ; 23 turn back over the Alps
    Alps
    The Alps is one of the great mountain range systems of Europe, stretching from Austria and Slovenia in the east through Italy, Switzerland, Liechtenstein and Germany to France in the west....

     and two others bomb Genoa
    Genoa
    Genoa |Ligurian]] Zena ; Latin and, archaically, English Genua) is a city and an important seaport in northern Italy, the capital of the Province of Genoa and of the region of Liguria....

    , but nine succeed in attacking Turin.
  • June 13 – Fifteen Fleet Air Arm
    Fleet Air Arm
    The Fleet Air Arm is the branch of the British Royal Navy responsible for the operation of naval aircraft. The Fleet Air Arm currently operates the AgustaWestland Merlin, Westland Sea King and Westland Lynx helicopters...

      Blackburn Skua
    Blackburn Skua
    The Blackburn B-24 Skua was a carrier-based low-wing, two-seater, single-radial engine aircraft operated by the British Fleet Air Arm which combined the functions of a dive bomber and fighter. It was designed in the mid-1930s, and saw service in the early part of the Second World War...

    s of No. 800 and No. 803
    803 Naval Air Squadron
    803 Naval Air Squadron was a Royal Navy Fleet Air Arm squadron.-Interwar:803 NAS was formed on 3 April 1933 by promoting No 409 Flight to the status of a squadron, with nine Ospreys...

     squadrons from HMS Ark Royal join Royal Air Force Bristol Beaufort
    Bristol Beaufort
    The Bristol Beaufort was a British twin-engined torpedo bomber designed by the Bristol Aeroplane Company, and developed from experience gained designing and building the earlier Blenheim light bomber....

     torpedo bomber
    Torpedo bomber
    A torpedo bomber is a bomber aircraft designed primarily to attack ships with aerial torpedoes which could also carry out conventional bombings. Torpedo bombers existed almost exclusively prior to and during World War II when they were an important element in many famous battles, notably the...

    s escorted by Bristol Blenheim
    Bristol Blenheim
    The Bristol Blenheim was a British light bomber aircraft designed and built by the Bristol Aeroplane Company that was used extensively in the early days of the Second World War. It was adapted as an interim long-range and night fighter, pending the availability of the Beaufighter...

     fighters in attacking Scharnhorst and other German warships anchored in Trondheimsfjord
    Trondheimsfjord
    The Trondheimsfjord , an inlet of the Norwegian Sea, is Norway's third longest fjord at long. It is located in the west central part of the country, and it stretches from Ørland in west to Steinkjer in north, passing the city of Trondheim on its way...

    , Norway. After the Beauforts attack earlier than planned, the Skuas encounter heavy antiaircraft fire during their attack, and eight are shot down.
  • June 14 – Two Soviet
    Soviet Union
    The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

     Ilyushin DB-3T
    Ilyushin DB-3
    The Ilyushin DB-3 was a Soviet bomber aircraft of World War II. It was a twin-engined, low-wing monoplane that first flew in 1935. It was the precursor of the Ilyushin Il-4...

     bombers shoot down
    Kaleva (airplane)
    Kaleva, registered OH-ALL, was a civilian Junkers Ju 52 passenger and transport plane, belonging to the Finnish carrier Aero O/Y. The aircraft was shot down by two Soviet Ilyushin DB-3 bombers during peacetime between the Soviet Union and Finland on June 14, 1940, while en route from Tallinn to...

     the Finnish
    Finland
    Finland , officially the Republic of Finland, is a Nordic country situated in the Fennoscandian region of Northern Europe. It is bordered by Sweden in the west, Norway in the north and Russia in the east, while Estonia lies to its south across the Gulf of Finland.Around 5.4 million people reside...

     Aero O/Y
    Finnair
    Finnair Plc is the flag carrier and largest airline of Finland, with its headquarters on the grounds of Helsinki Airport in Vantaa, Finland, and its main hub at Helsinki Airport. Finnair and its subsidiaries dominate both the domestic and international air travel markets in Finland. The largest...

     Junkers Ju 52
    Junkers Ju 52
    The Junkers Ju 52 was a German transport aircraft manufactured from 1932 to 1945. It saw both civilian and military service during the 1930s and 1940s. In a civilian role, it flew with over 12 air carriers including Swissair and Deutsche Luft Hansa as an airliner and freight hauler...

     airliner Kaleva shortly after it takes off from Tallinn
    Tallinn
    Tallinn is the capital and largest city of Estonia. It occupies an area of with a population of 414,940. It is situated on the northern coast of the country, on the banks of the Gulf of Finland, south of Helsinki, east of Stockholm and west of Saint Petersburg. Tallinn's Old Town is in the list...

    , Estonia
    Estonia
    Estonia , officially the Republic of Estonia , is a state in the Baltic region of Northern Europe. It is bordered to the north by the Gulf of Finland, to the west by the Baltic Sea, to the south by Latvia , and to the east by Lake Peipsi and the Russian Federation . Across the Baltic Sea lies...

    . It crashes into the Gulf of Finland
    Gulf of Finland
    The Gulf of Finland is the easternmost arm of the Baltic Sea. It extends between Finland and Estonia all the way to Saint Petersburg in Russia, where the river Neva drains into it. Other major cities around the gulf include Helsinki and Tallinn...

    , killing all nine people on board, including American diplomatic clerk Henry W. Antheil, Jr.
    Henry W. Antheil, Jr.
    Henry William Antheil, Jr. was born in Trenton, New Jersey, USA.Henry W. Antheil, Jr., younger brother of noted composer George Antheil, was a clerk at the U.S. legation in Helsinki...

    , the younger brother of composer George Antheil
    George Antheil
    George Antheil was an American avant-garde composer, pianist, author and inventor. A self-described "Bad Boy of Music", his modernist compositions amazed and appalled listeners in Europe and the US during the 1920s with their cacophonous celebration of mechanical devices.Returning permanently to...

    .
  • June 15-18 – Royal Air Force fighter cover allows the evacuation by sea from France to the United Kingdom of of 52,104 troops from Cherbourg and St. Malo, France, without loss.
  • June 17 – German aircraft bomb the British ocean liner
    Ocean liner
    An ocean liner is a ship designed to transport people from one seaport to another along regular long-distance maritime routes according to a schedule. Liners may also carry cargo or mail, and may sometimes be used for other purposes .Cargo vessels running to a schedule are sometimes referred to as...

     RMS Lancastria
    RMS Lancastria
    The RMS Lancastria was a British Cunard liner sunk on 17 June 1940 during World War II with the loss of an estimated 4,000 plus lives. It is the worst single loss of life in British maritime history and the bloodiest single engagement for UK forces , in the whole conflict and claimed more lives...

     in Quiberon Bay
    Quiberon Bay
    The Baie de Quiberon is an area of sheltered water on the south coast of Brittany. The bay is in the Morbihan département.-Geography:The bay is roughly triangular in shape, open to the south with the Gulf of Morbihan to the north-east and the narrow peninsular of Presqu'île de Quiberon providing...

     after she has taken aboard 5,800 Allied troops for evacuation from France to the United Kingdom. She catches fire and sinks in 15 minutes, with the loss of 3,000 lives.
  • June 18 – The last deployed element of the RAFs Advanced Air Striking Force
    RAF Advanced Air Striking Force
    Before the Second World War it had been agreed between the United Kingdom and France that in case of war, the light bomber force of the Royal Air Force would move to bases within France from which it could operate against targets in Nazi Germany. To achieve this, the RAF Advanced Air Striking Force...

     – some Hurricane
    Hawker Hurricane
    The Hawker Hurricane is a British single-seat fighter aircraft that was designed and predominantly built by Hawker Aircraft Ltd for the Royal Air Force...

     fighters – withdraws from France and the Channel Islands
    Channel Islands
    The Channel Islands are an archipelago of British Crown Dependencies in the English Channel, off the French coast of Normandy. They include two separate bailiwicks: the Bailiwick of Guernsey and the Bailiwick of Jersey...

     to the United Kingdom.
  • June 19 - British Fleet Air Arm
    Fleet Air Arm
    The Fleet Air Arm is the branch of the British Royal Navy responsible for the operation of naval aircraft. The Fleet Air Arm currently operates the AgustaWestland Merlin, Westland Sea King and Westland Lynx helicopters...

     Swordfish aircraft of No. 767 Squadron operating from a base in southern France raid Genoa
    Genoa
    Genoa |Ligurian]] Zena ; Latin and, archaically, English Genua) is a city and an important seaport in northern Italy, the capital of the Province of Genoa and of the region of Liguria....

    , Italy, and Italian lines of communication. It is the first air raid on Italian soil of World War II.
  • June 21 – Six Fleet Air Arm
    Fleet Air Arm
    The Fleet Air Arm is the branch of the British Royal Navy responsible for the operation of naval aircraft. The Fleet Air Arm currently operates the AgustaWestland Merlin, Westland Sea King and Westland Lynx helicopters...

     Swordfish
    Fairey Swordfish
    The Fairey Swordfish was a torpedo bomber built by the Fairey Aviation Company and used by the Fleet Air Arm of the Royal Navy during the Second World War...

     torpedo bomber
    Torpedo bomber
    A torpedo bomber is a bomber aircraft designed primarily to attack ships with aerial torpedoes which could also carry out conventional bombings. Torpedo bombers existed almost exclusively prior to and during World War II when they were an important element in many famous battles, notably the...

    s of No. 821
    821 Naval Air Squadron
    821 Naval Air Squadron was a Royal Navy Fleet Air Arm carrier based squadron formed on 3 April 1933 with the transferral and amalgamation of the Fairey III aircraft from 446 and half of 455 Flight Flights Royal Air Force to the newly formed Fleet Air Arm of the Royal Air Force...

     and No. 823 squadrons based at Royal Naval Air Station Hatston
    RNAS Hatston
    RNAS Hatston, also called HMS Sparrowhawk, was a Royal Naval Air Station.It was situated one mile to the north west of Kirkwall on the island of Mainland, Orkney...

     attempt to attack Scharnhorst as she steams from Trondheimsfjord, Norway, to Kiel
    Kiel
    Kiel is the capital and most populous city in the northern German state of Schleswig-Holstein, with a population of 238,049 .Kiel is approximately north of Hamburg. Due to its geographic location in the north of Germany, the southeast of the Jutland peninsula, and the southwestern shore of the...

    , Germany. They score no hits, and two Swordfish are shot down.
  • June 22 – France surrenders to Germany.
  • June 22 – General Albert Kesselring
    Albert Kesselring
    Albert Kesselring was a German Luftwaffe Generalfeldmarschall during World War II. In a military career that spanned both World Wars, Kesselring became one of Nazi Germany's most skilful commanders, being one of 27 soldiers awarded the Knight's Cross of the Iron Cross with Oak Leaves, Swords...

     directs Hauptmann
    Hauptmann
    Hauptmann is a German word usually translated as captain when it is used as an officer's rank in the German, Austrian and Swiss armies. While "haupt" in contemporary German means "main", it also has the dated meaning of "head", i.e...

    Wolfgang Falck
    Wolfgang Falck
    Wolfgang Falck was a German Luftwaffe fighter ace during World War II. He was one of the key organisers of the German night fighter defences.-Military career:...

     to establish the Luftwaffe
    Luftwaffe
    Luftwaffe is a generic German term for an air force. It is also the official name for two of the four historic German air forces, the Wehrmacht air arm founded in 1935 and disbanded in 1946; and the current Bundeswehr air arm founded in 1956....

    s first true night fighter
    Night fighter
    A night fighter is a fighter aircraft adapted for use at night or in other times of bad visibility...

     unit, Nachtjagdgeschwader 1
    Nachtjagdgeschwader 1
    Nachtjagdgeschwader 1 was a German Luftwaffe night fighter-wing of World War II. NJG 1 was formed on 22 June 1940 in Mönchengladbach.By the end of the war it was the most successful night fighter unit and had claimed some 2,311 victories by day and night, for some 676 aircrew killed in...

    . It is the birth of the German specialized night fighter force of World War II.
  • June 26 – The Royal Air Force disbands the Advanced Air Striking Force. Since the German offensive in the West began on May 10, the AASF has lost 229 aircraft.
  • Late June – The British aircraft carrier HMS Argus
    HMS Argus (I49)
    HMS Argus was a British aircraft carrier that served in the Royal Navy from 1918–1944. She was converted from an ocean liner under construction when the First World War began, and became the world's first example of what is now the standard pattern of aircraft carrier, with a full-length flight...

     delivers Fleet Air Arm
    Fleet Air Arm
    The Fleet Air Arm is the branch of the British Royal Navy responsible for the operation of naval aircraft. The Fleet Air Arm currently operates the AgustaWestland Merlin, Westland Sea King and Westland Lynx helicopters...

     Supermarine Walrus
    Supermarine Walrus
    The Supermarine Walrus was a British single-engine amphibious biplane reconnaissance aircraft designed by R. J. Mitchell and operated by the Fleet Air Arm . It also served with the Royal Air Force , Royal Australian Air Force , Royal Canadian Air Force , Royal New Zealand Navy and Royal New...

     flying boat
    Flying boat
    A flying boat is a fixed-winged seaplane with a hull, allowing it to land on water. It differs from a float plane as it uses a purpose-designed fuselage which can float, granting the aircraft buoyancy. Flying boats may be stabilized by under-wing floats or by wing-like projections from the fuselage...

    ]s of No. 701 Squadron
    701 Naval Air Squadron
    701 Naval Air Squadron was a Royal Navy Fleet Air Arm squadron that saw service during the Second World War.The 700 numbers were appended to training and ancillary squadrons of the Fleet Air Arm. The grouping 700 to 749 had originally included catapult flights. These later became catapult...

     to Iceland
    Iceland
    Iceland , described as the Republic of Iceland, is a Nordic and European island country in the North Atlantic Ocean, on the Mid-Atlantic Ridge. Iceland also refers to the main island of the country, which contains almost all the population and almost all the land area. The country has a population...

    , where they will begin antisubmarine and reconnaissance patrols following the British occupation of Iceland to preempt any possible German invasion of the island.

July

  • July 3 – British bombers make a daylight attack against German barge
    Barge
    A barge is a flat-bottomed boat, built mainly for river and canal transport of heavy goods. Some barges are not self-propelled and need to be towed by tugboats or pushed by towboats...

    s assembling at Rotterdam
    Rotterdam
    Rotterdam is the second-largest city in the Netherlands and one of the largest ports in the world. Starting as a dam on the Rotte river, Rotterdam has grown into a major international commercial centre...

     in anticipation of an invasion of the United Kingdom, their first attack against German efforts to build an invasion force. Such raids will peak in September and end in October after the threat of a German invasion abates.
  • July 3 – During the British attack on the French fleet at Mers-el-Kébir
    Mers-el-Kébir
    Mers-el-Kébir is a port town in northwestern Algeria, located by the Mediterranean Sea near Oran, in the Oran Province.-History:Originally a Roman port, Mers-el-Kébir became an Almohad naval arsenal in the 12th century, fell under the rulers of Tlemcen in the 15th century, and eventually became a...

    , Algeria
    Algeria
    Algeria , officially the People's Democratic Republic of Algeria , also formally referred to as the Democratic and Popular Republic of Algeria, is a country in the Maghreb region of Northwest Africa with Algiers as its capital.In terms of land area, it is the largest country in Africa and the Arab...

    , Fairey Swordfish
    Fairey Swordfish
    The Fairey Swordfish was a torpedo bomber built by the Fairey Aviation Company and used by the Fleet Air Arm of the Royal Navy during the Second World War...

     aircraft from the aircraft carrier mine
    Naval mine
    A naval mine is a self-contained explosive device placed in water to destroy surface ships or submarines. Unlike depth charges, mines are deposited and left to wait until they are triggered by the approach of, or contact with, an enemy vessel...

     the harbor and unsuccessfully attack the French battlecruiser
    Battlecruiser
    Battlecruisers were large capital ships built in the first half of the 20th century. They were developed in the first decade of the century as the successor to the armoured cruiser, but their evolution was more closely linked to that of the dreadnought battleship...

     Strasbourg
    French battleship Strasbourg
    The Strasbourg was a more heavily armoured Dunkerque-class battleship of the French Navy, labeled as a "fast battleship". Faster than full battleships, but not as heavily armed or armoured as them, they were designed to counter the threat of the German "pocket battleships" - the Deutschland-class...

     as she flees to Toulon
    Toulon
    Toulon is a town in southern France and a large military harbor on the Mediterranean coast, with a major French naval base. Located in the Provence-Alpes-Côte-d'Azur region, Toulon is the capital of the Var department in the former province of Provence....

    . French Curtiss Hawk 75 fighters and Blackburn Skua
    Blackburn Skua
    The Blackburn B-24 Skua was a carrier-based low-wing, two-seater, single-radial engine aircraft operated by the British Fleet Air Arm which combined the functions of a dive bomber and fighter. It was designed in the mid-1930s, and saw service in the early part of the Second World War...

     fighters from Ark Royal engage in a dogfight, during which the French shoot down one Skua.
  • July 4 – In retaliation for the British attack at Mers-el-Kébir, French Air Force
    French Air Force
    The French Air Force , literally Army of the Air) is the air force of the French Armed Forces. It was formed in 1909 as the Service Aéronautique, a service arm of the French Army, then was made an independent military arm in 1933...

     bombers raid Gibraltar
    Gibraltar
    Gibraltar is a British overseas territory located on the southern end of the Iberian Peninsula at the entrance of the Mediterranean. A peninsula with an area of , it has a northern border with Andalusia, Spain. The Rock of Gibraltar is the major landmark of the region...

    , causing little damage.
  • July 5 – Shore-based Swordfish of the Fleet Air Arms No. 813 Squadron
    813 Naval Air Squadron
    813 Naval Air Squadron was an aircraft squadron of the Royal Navy's Fleet Air Arm during World War II and again post-war. It initially operated Swordfish Mk Is from the aircraft carrier Illustrious and took part in the successful raid on Taranto in November 1940.In July 1943, the squadron was a...

     make a torpedo strike against Italian ships at Tobruk
    Tobruk
    Tobruk or Tubruq is a city, seaport, and peninsula on Libya's eastern Mediterranean coast, near the border with Egypt. It is the capital of the Butnan District and has a population of 120,000 ....

    , sinking a transport and a destroyer, blowing the bow
    Bow (ship)
    The bow is a nautical term that refers to the forward part of the hull of a ship or boat, the point that is most forward when the vessel is underway. Both of the adjectives fore and forward mean towards the bow...

     off another destroyer, and damaging an ocean liner
    Ocean liner
    An ocean liner is a ship designed to transport people from one seaport to another along regular long-distance maritime routes according to a schedule. Liners may also carry cargo or mail, and may sometimes be used for other purposes .Cargo vessels running to a schedule are sometimes referred to as...

    .
  • July 6 – Twelve Swordfish aircraft from Ark Royal make a torpedo strike against Mers-el-Kébir, sinking a French patrol boat
    Patrol boat
    A patrol boat is a relatively small naval vessel generally designed for coastal defense duties.There have been many designs for patrol boats. They may be operated by a nation's navy, coast guard, or police force, and may be intended for marine and/or estuarine or river environments...

     and badly damaging the beached battlecruiser Dunkerque
    French battleship Dunkerque
    The Dunkerque was the first unit of a new class of warships of the French Navy built in the 1930s, officially rated as battleships, or even «navires de ligne» , as Dunkerque and Strasbourg constituted, from the commissionig of Strasbourg to some days after Mers-el Kebir, the «1ère Division de Ligne»...

    . It is the most successful aerial torpedo attack against a capital ship
    Capital ship
    The capital ships of a navy are its most important warships; they generally possess the heaviest firepower and armor and are traditionally much larger than other naval vessels...

     in history at the time.
  • July 8 – Aircraft from the British aircraft carrier torpedo the French battleship Richelieu at Dakar
    Dakar
    Dakar is the capital city and largest city of Senegal. It is located on the Cap-Vert Peninsula on the Atlantic coast and is the westernmost city on the African mainland...

    , Senegal
    Senegal
    Senegal , officially the Republic of Senegal , is a country in western Africa. It owes its name to the Sénégal River that borders it to the east and north...

    , damaging her. Richelieu is not seaworthy again for a year.
  • July 8-9 (overnight) – 64 British bombers strike airfields in the Netherlands and ports in north Germany and lay sea mines. Germanys first specialized night fighter unit, Nachtjagdgeschwader 1
    Nachtjagdgeschwader 1
    Nachtjagdgeschwader 1 was a German Luftwaffe night fighter-wing of World War II. NJG 1 was formed on 22 June 1940 in Mönchengladbach.By the end of the war it was the most successful night fighter unit and had claimed some 2,311 victories by day and night, for some 676 aircrew killed in...

    , scores its first victory, as Oberfeldwebel Hermann Förster shoots down a Whitley off Heligoland
    Heligoland
    Heligoland is a small German archipelago in the North Sea.Formerly Danish and British possessions, the islands are located in the Heligoland Bight in the south-eastern corner of the North Sea...

    .
  • July 8-13 – Italian high-level bombers subject ships of the British Mediterranean Fleet
    Mediterranean Fleet
    Several countries have or have had a Mediterranean Fleet in their navy. See:* Mediterranean Fleet * French Mediterranean Fleet* Mediterranean Squadron * United States Sixth Fleet...

     to repeated heavy attacks while the fleet is at sea in the Mediterranean. They score only one hit, on the light cruiser
    Light cruiser
    A light cruiser is a type of small- or medium-sized warship. The term is a shortening of the phrase "light armored cruiser", describing a small ship that carried armor in the same way as an armored cruiser: a protective belt and deck...

     .
  • July 9 – The indecisive Battle of Calabria
    Battle of Calabria
    The Battle of Calabria, was a naval battle during the Battle of the Mediterranean in World War II. It was fought between the Italian Royal Navy and the British Royal Navy and the Royal Australian Navy. The battle occurred 30 miles to the east of Punta Stilo, the "toe" of Italy , on 9 July 1940...

     is the first major fleet action of World War II between the British and Italian navies. Swordfish from the British aircraft carrier conduct two torpedo strikes but score no hits.
  • July 9 – 40 Italian Savoia-Marchetti SM.79
    Savoia-Marchetti SM.79
    The Savoia-Marchetti SM.79 Sparviero was a three-engined Italian medium bomber with a wood and metal structure. Originally designed as a fast passenger aircraft, this low-wing monoplane, in the years 1937–39, set 26 world records that qualified it for some time as the fastest medium bomber in the...

     bombers attack the British aircraft carrier HMS Ark Royal and other ships of Force H
    Force H
    Force H was a British naval formation during the Second World War. It was formed in 1940 to replace French naval power in the western Mediterranean that had been removed by the French armistice with Nazi Germany....

     off Sardinia
    Sardinia
    Sardinia is the second-largest island in the Mediterranean Sea . It is an autonomous region of Italy, and the nearest land masses are the French island of Corsica, the Italian Peninsula, Sicily, Tunisia and the Spanish Balearic Islands.The name Sardinia is from the pre-Roman noun *sard[],...

    . They drop over 100 bombs but score no hits, and Blackburn Skua
    Blackburn Skua
    The Blackburn B-24 Skua was a carrier-based low-wing, two-seater, single-radial engine aircraft operated by the British Fleet Air Arm which combined the functions of a dive bomber and fighter. It was designed in the mid-1930s, and saw service in the early part of the Second World War...

    s from Ark Royal shoot down two SM.79s and damage two others.
  • July 10 – The Battle of Britain
    Battle of Britain
    The Battle of Britain is the name given to the World War II air campaign waged by the German Air Force against the United Kingdom during the summer and autumn of 1940...

     commences with the first German attacks on British
    United Kingdom
    The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

     convoys in the English Channel
    English Channel
    The English Channel , often referred to simply as the Channel, is an arm of the Atlantic Ocean that separates southern England from northern France, and joins the North Sea to the Atlantic. It is about long and varies in width from at its widest to in the Strait of Dover...

    .
  • July 14 – In retaliation for the British attacks at Mers-el-Kébir and Dakar, French bombers again attack Gibraltar, but most of their bombs fall into the sea.
  • July 20 – Fleet Air Arm Swordfish of No. 813 Squadron conduct another torpedo strike against Tobruk, sinking two Italian destroyers.
  • July 25-26 (overnight) – 166 British bombers strike German airfields in the Netherlands
    Netherlands
    The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

     and targets in the Ruhr
    Ruhr
    The Ruhr is a medium-size river in western Germany , a right tributary of the Rhine.-Description:The source of the Ruhr is near the town of Winterberg in the mountainous Sauerland region, at an elevation of approximately 2,200 feet...

    .
  • Late July – In the first use of airborne radar
    Radar
    Radar is an object-detection system which uses radio waves to determine the range, altitude, direction, or speed of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain. The radar dish or antenna transmits pulses of radio...

     for interception of an enemy aircraft, a Flying Officer
    Flying Officer
    Flying officer is a junior commissioned rank in the Royal Air Force and the air forces of many countries which have historical British influence...

     Ashfield flying a British Bristol Blenheim IF
    Bristol Blenheim
    The Bristol Blenheim was a British light bomber aircraft designed and built by the Bristol Aeroplane Company that was used extensively in the early days of the Second World War. It was adapted as an interim long-range and night fighter, pending the availability of the Beaufighter...

     night fighter
    Night fighter
    A night fighter is a fighter aircraft adapted for use at night or in other times of bad visibility...

     destroys a German Dornier Do 17
    Dornier Do 17
    The Dornier Do 17, sometimes referred to as the Fliegender Bleistift , was a World War II German light bomber produced by Claudius Dornier's company, Dornier Flugzeugwerke...

     bomber. A second such kill will not be achieved until November – again by Ashfield.

August

  • August 2 – As one of the components of Operation Hurry, the first of many operations in which Allied
    Allies of World War II
    The Allies of World War II were the countries that opposed the Axis powers during the Second World War . Former Axis states contributing to the Allied victory are not considered Allied states...

     aircraft carriers fly off Royal Air Force fighters for service at Malta, twelve Fairey Swordfish
    Fairey Swordfish
    The Fairey Swordfish was a torpedo bomber built by the Fairey Aviation Company and used by the Fleet Air Arm of the Royal Navy during the Second World War...

     from the British aircraft carrier HMS Ark Royal
    HMS Ark Royal (91)
    HMS Ark Royal was an aircraft carrier of the Royal Navy that served during the Second World War.Designed in 1934 to fit the restrictions of the Washington Naval Treaty, Ark Royal was built by Cammell Laird and Company, Ltd. at Birkenhead, England, and completed in November 1938. Her design...

     make the first night raid on Italian soil in the early morning hours, attacking Cagliari
    Cagliari
    Cagliari is the capital of the island of Sardinia, a region of Italy. Cagliari's Sardinian name Casteddu literally means castle. It has about 156,000 inhabitants, or about 480,000 including the outlying townships : Elmas, Assemini, Capoterra, Selargius, Sestu, Monserrato, Quartucciu, Quartu...

     in southern Sardinia
    Sardinia
    Sardinia is the second-largest island in the Mediterranean Sea . It is an autonomous region of Italy, and the nearest land masses are the French island of Corsica, the Italian Peninsula, Sicily, Tunisia and the Spanish Balearic Islands.The name Sardinia is from the pre-Roman noun *sard[],...

    . They inflict heavy damage on the airfield and on Italian seaplane
    Seaplane
    A seaplane is a fixed-wing aircraft capable of taking off and landing on water. Seaplanes that can also take off and land on airfields are a subclass called amphibian aircraft...

    s anchored in the harbor and drop naval mine
    Naval mine
    A naval mine is a self-contained explosive device placed in water to destroy surface ships or submarines. Unlike depth charges, mines are deposited and left to wait until they are triggered by the approach of, or contact with, an enemy vessel...

    s into the harbor. Two Swordfish are lost. Nine accompanying Blackburn Skua
    Blackburn Skua
    The Blackburn B-24 Skua was a carrier-based low-wing, two-seater, single-radial engine aircraft operated by the British Fleet Air Arm which combined the functions of a dive bomber and fighter. It was designed in the mid-1930s, and saw service in the early part of the Second World War...

    s shoot down an Italian Cant Z.501
    CANT Z.501
    The CANT Z.501 Gabbiano was a single engine flying boat that served with the Italian Regia Aeronautica during World War II. It had a crew of four or five and was used mainly for reconnaissance. Initially a successful aircraft, it was obsolete by 1940, but was still used throughout World War II,...

    . It is a diversionary attack to cover the carrier , which flies off 12 RAF Hawker Hurricane
    Hawker Hurricane
    The Hawker Hurricane is a British single-seat fighter aircraft that was designed and predominantly built by Hawker Aircraft Ltd for the Royal Air Force...

    s to Malta from a point south of Sardinia later in the day.
  • August 12–23 – The German Air Force (Luftwaffe
    Luftwaffe
    Luftwaffe is a generic German term for an air force. It is also the official name for two of the four historic German air forces, the Wehrmacht air arm founded in 1935 and disbanded in 1946; and the current Bundeswehr air arm founded in 1956....

    ) conducts Operation Eagle Attack (Adlerangriff), targeting British radar
    Radar
    Radar is an object-detection system which uses radio waves to determine the range, altitude, direction, or speed of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain. The radar dish or antenna transmits pulses of radio...

     stations, inland Fighter Command airfields, and Royal Air Force
    Royal Air Force
    The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

     communication centers during the Battle of Britain
    Battle of Britain
    The Battle of Britain is the name given to the World War II air campaign waged by the German Air Force against the United Kingdom during the summer and autumn of 1940...

    .
  • August 13 – A Royal Australian Air Force
    Royal Australian Air Force
    The Royal Australian Air Force is the air force branch of the Australian Defence Force. The RAAF was formed in March 1921. It continues the traditions of the Australian Flying Corps , which was formed on 22 October 1912. The RAAF has taken part in many of the 20th century's major conflicts...

     Lockheed Hudson
    Lockheed Hudson
    The Lockheed Hudson was an American-built light bomber and coastal reconnaissance aircraft built initially for the Royal Air Force shortly before the outbreak of the Second World War and primarily operated by the RAF thereafter...

     crashes near Canberra
    Canberra
    Canberra is the capital city of Australia. With a population of over 345,000, it is Australia's largest inland city and the eighth-largest city overall. The city is located at the northern end of the Australian Capital Territory , south-west of Sydney, and north-east of Melbourne...

    , Australia
    Australia
    Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

    , killing all 10 people on board. Among the dead are Geoffrey Street
    Geoffrey Street
    Geoffrey Austin Street MC was an Australian Cabinet Minister and member of the House of Representatives, representing the Division of Corangamite from 1934 until his death in 1940....

    , Australian Minister of Defence and Repatriation
    Minister for Veterans' Affairs (Australia)
    The Australian Minister for Veterans' Affairs oversees income support, compensation, care and commemoration programs for more than 400,000 veterans and their widows, widowers and dependants....

    ; James Fairbairn
    James Fairbairn
    James Valentine Fairbairn was a pastoralist, aviator, Australian politician and cabinet minister who was killed in the Canberra air disaster....

    , Australian Minister for Air and Civil Aviation; Sir Henry Gullett
    Henry Gullett
    Sir Henry Somer Gullett KCMG was an Australian Cabinet Minister and member of the House of RepresentativesGullett was born at Toolamba West, Victoria and educated at state schools, but left school at twelve on the death of his father. He began writing for newspapers...

    , Australian Vice-President of the Executive Council
    Vice-President of the Executive Council
    The Vice-President of the Federal Executive Council is a position in Australian federal governments, whose holder acts as presiding officer of the Federal Executive Council in the absence of the Governor-General....

     and Minister in Charge of Scientific and Industrial Research; and General
    General (Australia)
    General is the second highest rank, and the highest active rank, of the Australian Army and was created as a direct equivalent of the British military rank of General; it is also considered a four-star rank....

     Sir Brudenell White
    Brudenell White
    General Sir Cyril Brudenell Bingham White KCB, KCMG, KCVO, DSO was a senior officer in the Australian Army, who served as Chief of the General Staff from 1920 to 1923 and again from March to August 1940, when he was killed in the Canberra air disaster.-Early Life and career:White was born in St...

    , Australian Chief of the General Staff.
  • August 15 – The heaviest fighting of the Battle of Britain occurs, with the loss of 46 British and 76 German aircraft.
  • August 19 – The first combat mission of the Imperial Japanese Navy
    Imperial Japanese Navy
    The Imperial Japanese Navy was the navy of the Empire of Japan from 1869 until 1947, when it was dissolved following Japan's constitutional renunciation of the use of force as a means of settling international disputes...

    s Mitsubishi A6M Zero (Allied reporting name
    World War II Allied names for Japanese aircraft
    The World War II Allied names for Japanese aircraft were reporting names, often described as codenames, given by Allied personnel to Imperial Japanese aircraft during the Pacific campaign of World War II. The names were used by Allied personnel to identify Japanese aircraft for reporting and...

     "Zeke") fighter takes place, as 12 Zeroes escort 54 Mitsubishi G3M
    Mitsubishi G3M
    The Mitsubishi G3M was a Japanese bomber used during World War II.-Design and development:...

     (Allied reporting name "Nell") bombers over Chungking, but no Chinese aircraft rise to meet them.
  • August 24 – A German bomber crew bombs a residential area of south London
    London
    London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

    , apparently in error.
  • August 25-26 (overnight) – In retaliation for the August 24 bombing of London, the Royal Air Force
    Royal Air Force
    The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

     conducts its first air raid of World War II on Berlin
    Berlin
    Berlin is the capital city of Germany and is one of the 16 states of Germany. With a population of 3.45 million people, Berlin is Germany's largest city. It is the second most populous city proper and the seventh most populous urban area in the European Union...

    .
  • August 27 – First flight of the motorjet
    Motorjet
    A motorjet is a rudimentary type of jet engine which is sometimes referred to as thermojet, a term now commonly used to describe a particular and completely unrelated pulsejet design.- Design :...

    -powered Caproni Campini N.1 is recognized as the first flight of a jet aircraft
    Jet aircraft
    A jet aircraft is an aircraft propelled by jet engines. Jet aircraft generally fly much faster than propeller-powered aircraft and at higher altitudes – as high as . At these altitudes, jet engines achieve maximum efficiency over long distances. The engines in propeller-powered aircraft...

    ; the recognition later is retracted when news of the August 1939 flight of the turbojet-powered Heinkel He 178
    Heinkel He 178
    |-See also:*List of firsts in aviation-Bibliography:* Warsitz, Lutz: The First Jet Pilot - The Story of German Test Pilot Erich Warsitz, Pen and Sword Books Ltd., England, 2009, ISBN 9781844158188.-External links:...

     is made public.
  • August 31 – Polish 303 Squadron, the most efficient allied unit of the Battle of Britain, enters action.
  • August 31 – Pennsylvania Central Airlines Trip 19, a Douglas DC-3A
    Douglas DC-3
    The Douglas DC-3 is an American fixed-wing propeller-driven aircraft whose speed and range revolutionized air transport in the 1930s and 1940s. Its lasting impact on the airline industry and World War II makes it one of the most significant transport aircraft ever made...

    , crashes
    Lovettsville Air Disaster
    The Lovettsville air disaster occurred on August 31, 1940 near Lovettsville, Virginia. Pennsylvania Central Airlines Trip 19 was a new Douglas DC-3A that was flying through an intense thunderstorm at . Numerous witnesses reported seeing a large flash of lightning shortly before it nosed over and...

     in a thunderstorm
    Thunderstorm
    A thunderstorm, also known as an electrical storm, a lightning storm, thundershower or simply a storm is a form of weather characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder. The meteorologically assigned cloud type associated with the...

     near Short Hill Mountain
    Short Hill Mountain
    Short Hill Mountain is a mountain ridge of the Blue Ridge Mountains in northwest Loudoun County, Virginia.- Geography :Short Hill rises sharply from the Piedmont countryside of the Loudoun Valley, northwest of Purcellville, as a low-lying ridge barely over above the surrounding area...

     near Lovettsville
    Lovettsville, Virginia
    Lovettsville is a town in Loudoun County, Virginia, United States. The population was 853 at the 2000 census. The 2005-2009 American Community Survey estimated the population at 1187.-History:Following the 1722 Treaty of St...

    , Virginia
    Virginia
    The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...

    , killing all 25 people on board. United States Senator Ernest Lundeen
    Ernest Lundeen
    Ernest Lundeen was an American lawyer and politician.Lundeen was born and raised on his father's homestead in Brooklyn Township of Lincoln County near Beresford, South Dakota. His father, C. H...

     of Minnesota
    Minnesota
    Minnesota is a U.S. state located in the Midwestern United States. The twelfth largest state of the U.S., it is the twenty-first most populous, with 5.3 million residents. Minnesota was carved out of the eastern half of the Minnesota Territory and admitted to the Union as the thirty-second state...

     is among the dead.

September

  • Imperial Japanese Navy
    Imperial Japanese Navy
    The Imperial Japanese Navy was the navy of the Empire of Japan from 1869 until 1947, when it was dissolved following Japan's constitutional renunciation of the use of force as a means of settling international disputes...

     Aichi D3A
    Aichi D3A
    The , Allied reporting name "Val") was a World War II carrier-borne dive bomber of the Imperial Japanese Navy . It was the primary dive bomber in the Imperial Japanese Navy, and participated in almost all actions, including Pearl Harbor....

     dive bomber
    Dive bomber
    A dive bomber is a bomber aircraft that dives directly at its targets in order to provide greater accuracy for the bomb it drops. Diving towards the target reduces the distance the bomb has to fall, which is the primary factor in determining the accuracy of the drop...

    s and Nakajima B5N
    Nakajima B5N
    |-See also:-References:NotesBibliography* Bridgwater, H.C. and Peter Scott. Combat Colours Number 4: Pearl Harbor and Beyond, December 1941 to May 1942. Luton, Bedfordshire, UK: Guideline Publications, 2001. ISBN 0-9539040-6-7....

     carrier attack bombers begin bombing attacks on Chungking.
  • September 2 – Aircraft from the British aircraft carrier HMS Ark Royal
    HMS Ark Royal (91)
    HMS Ark Royal was an aircraft carrier of the Royal Navy that served during the Second World War.Designed in 1934 to fit the restrictions of the Washington Naval Treaty, Ark Royal was built by Cammell Laird and Company, Ltd. at Birkenhead, England, and completed in November 1938. Her design...

     conduct Operation Smash, a night raid on Cagliari
    Cagliari
    Cagliari is the capital of the island of Sardinia, a region of Italy. Cagliari's Sardinian name Casteddu literally means castle. It has about 156,000 inhabitants, or about 480,000 including the outlying townships : Elmas, Assemini, Capoterra, Selargius, Sestu, Monserrato, Quartucciu, Quartu...

    , Sardinia
    Sardinia
    Sardinia is the second-largest island in the Mediterranean Sea . It is an autonomous region of Italy, and the nearest land masses are the French island of Corsica, the Italian Peninsula, Sicily, Tunisia and the Spanish Balearic Islands.The name Sardinia is from the pre-Roman noun *sard[],...

    . While some Swordfish drop parachute flares, others bomb an Italian military headquarters and aircraft parked on the ground.
  • September 3 – Ark Royal aircraft again attack Cagliari in Operation Grab in an attack similar to that of Operation Smash. The raid is less successful, with many bombs falling into the sea.
  • September 4 – Adolf Hitler
    Adolf Hitler
    Adolf Hitler was an Austrian-born German politician and the leader of the National Socialist German Workers Party , commonly referred to as the Nazi Party). He was Chancellor of Germany from 1933 to 1945, and head of state from 1934 to 1945...

     orders German bombing attacks on London
    London
    London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

    .
  • September 4 – Aircraft from the British aircraft carrier HMS Illustrious attack Italian airfields on Rhodes
    Rhodes
    Rhodes is an island in Greece, located in the eastern Aegean Sea. It is the largest of the Dodecanese islands in terms of both land area and population, with a population of 117,007, and also the island group's historical capital. Administratively the island forms a separate municipality within...

    .
  • September 7 – Hermann Göring
    Hermann Göring
    Hermann Wilhelm Göring, was a German politician, military leader, and a leading member of the Nazi Party. He was a veteran of World War I as an ace fighter pilot, and a recipient of the coveted Pour le Mérite, also known as "The Blue Max"...

     orders the German Air Force (Luftwaffe
    Luftwaffe
    Luftwaffe is a generic German term for an air force. It is also the official name for two of the four historic German air forces, the Wehrmacht air arm founded in 1935 and disbanded in 1946; and the current Bundeswehr air arm founded in 1956....

    ) to stop targeting British airfields and to attack the city of London
    London
    London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

     instead. The Luftwaffe attacks London that evening, the first of 57 consecutive nights of German air raids on London.
  • September 7-8 – The largest mass air combat in history takes place over Great Britain
    Great Britain
    Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

    , with 1,200 British and German aircraft operating in an area of only 24 x 48 km (15 x 30 miles).
  • September 9 – Aircraft from the British aircraft carrier Ark Royal strike Cagliari, Sardinia, inflicting more damage under heavy fire.
  • September 10 – The Regia Aeronautica
    Regia Aeronautica
    The Italian Royal Air Force was the name of the air force of the Kingdom of Italy. It was established as a service independent of the Royal Italian Army from 1923 until 1946...

    (Italian Royal Air Force) forms the Corpo Aereo Italiano
    Corpo Aereo Italiano
    The "Italian Air Corps" was an expeditionary force of the Italian Royal Air Force that participated in the Battle of Britain during the final months of 1940 during World War II. The CAI supported the German Air Force and flew against the British Royal Air Force...

    (Italian Air Corps) as an expeditionary force for bombing the United Kingdom
    United Kingdom
    The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

     alongside the German Luftwaffe
    Luftwaffe
    Luftwaffe is a generic German term for an air force. It is also the official name for two of the four historic German air forces, the Wehrmacht air arm founded in 1935 and disbanded in 1946; and the current Bundeswehr air arm founded in 1956....

    from bases in Belgium
    Belgium
    Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...

    .
  • September 13 – The Imperial Japanese Navy
    Imperial Japanese Navy
    The Imperial Japanese Navy was the navy of the Empire of Japan from 1869 until 1947, when it was dissolved following Japan's constitutional renunciation of the use of force as a means of settling international disputes...

    s Mitsubishi A6M Zero fighter scores its first aerial victories, when a flight of Zeroes attacks 27 Nationalist Chinese fighters over Chungking and claims to have destroyed all of them; actual Chinese losses probably are 13 to 24 aircraft. No Zeroes are lost.
  • September 15 – Germany makes its heaviest daylight raid on London. The Royal Air Force
    Royal Air Force
    The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

     destroys 185 German aircraft over England
    England
    England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

     during the day. As a result, Germany abandons its hopes of achieving victory in the Battle of Britain
    Battle of Britain
    The Battle of Britain is the name given to the World War II air campaign waged by the German Air Force against the United Kingdom during the summer and autumn of 1940...

    .
  • September 17 – Aircraft from the British aircraft carrier HMS Illustrious raid Benghazi
    Benghazi
    Benghazi is the second largest city in Libya, the main city of the Cyrenaica region , and the former provisional capital of the National Transitional Council. The wider metropolitan area is also a district of Libya...

    , Libya
    Libya
    Libya is an African country in the Maghreb region of North Africa bordered by the Mediterranean Sea to the north, Egypt to the east, Sudan to the southeast, Chad and Niger to the south, and Algeria and Tunisia to the west....

    .
  • September 23 – The British aircraft carrier HMS Ark Royal
    HMS Ark Royal (91)
    HMS Ark Royal was an aircraft carrier of the Royal Navy that served during the Second World War.Designed in 1934 to fit the restrictions of the Washington Naval Treaty, Ark Royal was built by Cammell Laird and Company, Ltd. at Birkenhead, England, and completed in November 1938. Her design...

     arrives off Dakar
    Dakar
    Dakar is the capital city and largest city of Senegal. It is located on the Cap-Vert Peninsula on the Atlantic coast and is the westernmost city on the African mainland...

    , Senegal
    Senegal
    Senegal , officially the Republic of Senegal , is a country in western Africa. It owes its name to the Sénégal River that borders it to the east and north...

    , with the Free French leader General Charles de Gaulle
    Charles de Gaulle
    Charles André Joseph Marie de Gaulle was a French general and statesman who led the Free French Forces during World War II. He later founded the French Fifth Republic in 1958 and served as its first President from 1959 to 1969....

     embarked. She flies off two French Caudron C.270 Luciole trainer aircraft which carry Free French officers ashore to request that Vichy French
    Vichy France
    Vichy France, Vichy Regime, or Vichy Government, are common terms used to describe the government of France that collaborated with the Axis powers from July 1940 to August 1944. This government succeeded the Third Republic and preceded the Provisional Government of the French Republic...

     forces there join de Gaulle on the Allied
    Allies of World War II
    The Allies of World War II were the countries that opposed the Axis powers during the Second World War . Former Axis states contributing to the Allied victory are not considered Allied states...

     side, but the Vichy French refuse.
  • September 24-25 – French Air Force
    French Air Force
    The French Air Force , literally Army of the Air) is the air force of the French Armed Forces. It was formed in 1909 as the Service Aéronautique, a service arm of the French Army, then was made an independent military arm in 1933...

     bombers raid Gibraltar
    Gibraltar
    Gibraltar is a British overseas territory located on the southern end of the Iberian Peninsula at the entrance of the Mediterranean. A peninsula with an area of , it has a northern border with Andalusia, Spain. The Rock of Gibraltar is the major landmark of the region...

     in retaliation for the British July attacks on French warships at Mers-el-Kébir and Dakar.
  • September 24-26 – A British naval force supports a disastrous Free French attempt at an amphibious invasion of Dakar. Vichy French forces resist successfully, and HMS Ark Royal loses nine Swordfish aircraft before operations are called off.
  • September 25 – The bombers of the Corpo Aereo Italiano
    Corpo Aereo Italiano
    The "Italian Air Corps" was an expeditionary force of the Italian Royal Air Force that participated in the Battle of Britain during the final months of 1940 during World War II. The CAI supported the German Air Force and flew against the British Royal Air Force...

    (Italian Air Corps) arrive at their base in Belgium
    Belgium
    Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...

     to participate in the Battle of Britain
    Battle of Britain
    The Battle of Britain is the name given to the World War II air campaign waged by the German Air Force against the United Kingdom during the summer and autumn of 1940...

    . The fighters will arrive later.
  • September 29 – Two Royal Australian Air Force
    Royal Australian Air Force
    The Royal Australian Air Force is the air force branch of the Australian Defence Force. The RAAF was formed in March 1921. It continues the traditions of the Australian Flying Corps , which was formed on 22 October 1912. The RAAF has taken part in many of the 20th century's major conflicts...

     Avro Anson
    Avro Anson
    The Avro Anson is a British twin-engine, multi-role aircraft that served with the Royal Air Force, Fleet Air Arm and numerous other air forces prior to, during, and after the Second World War. Named for British Admiral George Anson, it was originally designed for maritime reconnaissance, but was...

    s of No. 2 Service Flying Training School
    No. 2 Service Flying Training School RAAF
    No. 2 Service Flying Training School was a flying training school of the Royal Australian Air Force during World War II. It was formed in July 1940, under the command of Group Captain Frederick Scherger...

     with two men aboard each plane collide in mid-air
    1940 Brocklesby mid-air collision
    On 29 September 1940, a mid-air collision occurred over Brocklesby, New South Wales, Australia. The accident was unusual in that the aircraft involved, two Avro Ansons of No. 2 Service Flying Training School RAAF, remained locked together after colliding, and then managed to land safely...

     over Brocklesby
    Brocklesby, New South Wales
    Brocklesby is a small village situated north-west of Albury and west of Holbrook in Greater Hume Shire Council in the Riverina area of New South Wales. Nearby neighbours are Walbundrie to the north and Howlong to the south.-Historical significance:Brocklesby village was once a main railway...

    , New South Wales
    New South Wales
    New South Wales is a state of :Australia, located in the east of the country. It is bordered by Queensland, Victoria and South Australia to the north, south and west respectively. To the east, the state is bordered by the Tasman Sea, which forms part of the Pacific Ocean. New South Wales...

    , Australia
    Australia
    Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

    , and become interlocked with one on top of the other. The engines of the lower aircraft keep running, and the pilot of the upper plane finds he can control the two aircraft using his aileron
    Aileron
    Ailerons are hinged flight control surfaces attached to the trailing edge of the wing of a fixed-wing aircraft. The ailerons are used to control the aircraft in roll, which results in a change in heading due to the tilting of the lift vector...

    s and flaps
    Flap (aircraft)
    Flaps are normally hinged surfaces mounted on the trailing edges of the wings of a fixed-wing aircraft to reduce the speed an aircraft can be safely flown at and to increase the angle of descent for landing without increasing air speed. They shorten takeoff and landing distances as well as...

    ; he lands the planes, still interlocked, safely in a paddock near Brocklesbury, and all four men survive with only one of them injured.
  • September 30 – The Battle of Britain
    Battle of Britain
    The Battle of Britain is the name given to the World War II air campaign waged by the German Air Force against the United Kingdom during the summer and autumn of 1940...

     is said to be over, with Hitler's planned invasion of the United Kingdom
    United Kingdom
    The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

     (Operation Sea Lion, or Unternehmen Seelöwe) postponed indefinitely.
  • September 30 – Since September 1, the Royal Air Force has lost 65 bombers.

October

  • Imperial Japanese Navy
    Imperial Japanese Navy
    The Imperial Japanese Navy was the navy of the Empire of Japan from 1869 until 1947, when it was dissolved following Japan's constitutional renunciation of the use of force as a means of settling international disputes...

     Mitsubishi G3M
    Mitsubishi G3M
    The Mitsubishi G3M was a Japanese bomber used during World War II.-Design and development:...

     (Allied reporting name
    World War II Allied names for Japanese aircraft
    The World War II Allied names for Japanese aircraft were reporting names, often described as codenames, given by Allied personnel to Imperial Japanese aircraft during the Pacific campaign of World War II. The names were used by Allied personnel to identify Japanese aircraft for reporting and...

     "Nell") bombers based at Hanoi
    Hanoi
    Hanoi , is the capital of Vietnam and the country's second largest city. Its population in 2009 was estimated at 2.6 million for urban districts, 6.5 million for the metropolitan jurisdiction. From 1010 until 1802, it was the most important political centre of Vietnam...

     in French Indochina
    French Indochina
    French Indochina was part of the French colonial empire in southeast Asia. A federation of the three Vietnamese regions, Tonkin , Annam , and Cochinchina , as well as Cambodia, was formed in 1887....

     begin attacks on the Burma Road
    Burma Road
    The Burma Road is a road linking Burma with the southwest of China. Its terminals are Kunming, Yunnan, and Lashio, Burma. When it was built, Burma was a British colony.The road is long and runs through rough mountain country...

    .
  • October 1 – A British bomber is shot down over the Netherlands
    Netherlands
    The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

     by German antiaircraft artillery after being illuminated by a searchlight
    Searchlight
    A searchlight is an apparatus that combines a bright light source with some form of curved reflector or other optics to project a powerful beam of light of approximately parallel rays in a particular direction, usually constructed so that it can be swiveled about.-Military use:The Royal Navy used...

     coupled to a Freya radar
    Freya radar
    Freya was an early warning radar deployed by Germany during World War II, named after the Norse Goddess Freyja. During the war over a thousand stations were built. A naval version operating on a slightly different wavelength was also developed as Seetakt...

    . It is the first time an aircraft is destroyed after being detected and illuminated by a radar-guided searchlight.
  • October 2 – The first ground-radar-controlled aerial victory at night takes place as the Luftwaffes dunkele Nachtjagd ("dark nightfighting," abbreviated as Dunaja) technique – in which ground-based radar is used to control night fighter
    Night fighter
    A night fighter is a fighter aircraft adapted for use at night or in other times of bad visibility...

    s until they come within visual range of a target – has its first success. A Freya radar is used to coach the Dorner Do 17Z-10
    Dornier Do 17
    The Dornier Do 17, sometimes referred to as the Fliegender Bleistift , was a World War II German light bomber produced by Claudius Dornier's company, Dornier Flugzeugwerke...

     night fighter of Leutnant Ludwig Becker to within visual range of a British Vickers Wellington
    Vickers Wellington
    The Vickers Wellington was a British twin-engine, long range medium bomber designed in the mid-1930s at Brooklands in Weybridge, Surrey, by Vickers-Armstrongs' Chief Designer, R. K. Pierson. It was widely used as a night bomber in the early years of the Second World War, before being displaced as a...

     bomber over the Netherlands, allowing him to shoot it down.
  • October 8 – The Royal Air Force forms No. 71 Squadron
    No. 71 Squadron RAF
    No. 71 Squadron is a Royal Air Force aircraft squadron, the number has been used three times, once by the Royal Flying Corps for an Australian Flying Corps squadron, in the second world war as an Eagle Squadron and post-war as a fighter-bomber unit based in Royal Air Force Germany.-First World...

    , the "Eagle Squadron," comprising American volunteers.
  • October 8 – Josef František
    Josef František
    Sergeant Josef František DFM* was a Czech fighter pilot and World War II flying ace. He flew for the air forces of Czechoslovakia, Poland and the United Kingdom. He is famous as being the number one allied ace in the Battle of Britain.- Career :Born in Otaslavice in 1913, Josef František joined...

    , a Czechoslovakia
    Czechoslovakia
    Czechoslovakia or Czecho-Slovakia was a sovereign state in Central Europe which existed from October 1918, when it declared its independence from the Austro-Hungarian Empire, until 1992...

    n ace (17 victories) and the most efficient Allied
    Allies of World War II
    The Allies of World War II were the countries that opposed the Axis powers during the Second World War . Former Axis states contributing to the Allied victory are not considered Allied states...

     pilot of the Battle of Britain, dies in an air crash.
  • October 14 - Aircraft from the British aircraft carrier HMS Illustrious raid Leros
    Leros
    Leros is a Greek island and municipality in the Dodecanese in the southern Aegean Sea. It lies 317 km from Athens's port of Piraeus, from which it can be reached by an 11-hour ferry ride . Leros is part of the Kalymnos peripheral unit...

    .
  • October 24 – The Luftwaffes I. Gruppe, Nachtjagdgeschwader 2
    Nachtjagdgeschwader 2
    Nachtjagdgeschwader 2 was a German Luftwaffe night fighter-wing of World War II. NJG 2 was formed on 1 September 1940 in Gilze en Rijen from II./Nachtjagdgeschwader 1 . Stab I./NJG 2 was formed from Stab II./NJG 1,while 1./NJG 2 was formed from 4./NJG1 equipped with the Junkers Ju 88C-1...

    , scores the first aerial victory by a German night intruder aircraft during World War II with a kill over England.
  • October 24 – The Regia Aeronautica
    Regia Aeronautica
    The Italian Royal Air Force was the name of the air force of the Kingdom of Italy. It was established as a service independent of the Royal Italian Army from 1923 until 1946...

    s (Italian Royal Air Forces) Corpo Aereo Italiano
    Corpo Aereo Italiano
    The "Italian Air Corps" was an expeditionary force of the Italian Royal Air Force that participated in the Battle of Britain during the final months of 1940 during World War II. The CAI supported the German Air Force and flew against the British Royal Air Force...

    (Italian Air Corps) launches its first bombing raid over England
    England
    England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

    , using 18 Fiat BR.20
    Fiat BR.20
    The Fiat BR.20 Cicogna was a low-wing twin-engine medium bomber produced from mid-1930s until the end of World War II by the Turin firm. When it entered service in 1936 it was the first all-metal Italian bomber and it was regarded as one of the most modern medium bomber of the world...

     bombers.

November

  • The United States Department of War
    United States Department of War
    The United States Department of War, also called the War Department , was the United States Cabinet department originally responsible for the operation and maintenance of the United States Army...

     separates General Headquarters Air Force (the United States Army
    United States Army
    The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

    s air combat element) from the United States Army Air Corps
    United States Army Air Corps
    The United States Army Air Corps was a forerunner of the United States Air Force. Renamed from the Air Service on 2 July 1926, it was part of the United States Army and the predecessor of the United States Army Air Forces , established in 1941...

     (responsible for aviation logistics and training).
  • November 5 – Four RAF squadrons are deployed to Greece
    Greece
    Greece , officially the Hellenic Republic , and historically Hellas or the Republic of Greece in English, is a country in southeastern Europe....

     to support the country against Italian attacks.
  • November 5 – The U.S. Army Air Corps activates the Hawaiian Air Force, its first air force based outside the continental United States.
  • November 11 – Regular ferry flights of US-built warplanes commence across the Atlantic.
  • November 11-12 (overnight) – Fairey Swordfish
    Fairey Swordfish
    The Fairey Swordfish was a torpedo bomber built by the Fairey Aviation Company and used by the Fleet Air Arm of the Royal Navy during the Second World War...

     from make a highly successful raid
    Battle of Taranto
    The naval Battle of Taranto took place on the night of 11–12 November 1940 during the Second World War. The Royal Navy launched the first all-aircraft ship-to-ship naval attack in history, flying a small number of obsolescent biplane torpedo bombers from an aircraft carrier in the Mediterranean Sea...

     against ships of the Italian Royal Navy (Regia Marina
    Regia Marina
    The Regia Marina dates from the proclamation of the Kingdom of Italy in 1861 after Italian unification...

    ) at Taranto
    Taranto
    Taranto is a coastal city in Apulia, Southern Italy. It is the capital of the Province of Taranto and is an important commercial port as well as the main Italian naval base....

    , Italy. The raid damages the battleship Conte di Cavour
    Italian battleship Conte di Cavour
    Conte di Cavour was an Conte di Cavour class battleship, that served in the Regia Marina during World War I and World War II. It was named after the Italian statesman Count Camillo Benso di Cavour.-Construction and first years:...

     beyond repair, and extensively damages two others, Littorio
    Italian battleship Littorio
    |-External links:...

     and Caio Duilio
    Italian battleship Caio Duilio
    Caio Duilio was an Italian that served in the Regia Marina during World War I and World War II. She was named after the Roman fleet commander Gaius Duilius. Caio Duilio was laid down on 24 February 1912 and after a year and two months of construction, she was launched on 24 April 1913...

    . It also damages a cruiser
    Cruiser
    A cruiser is a type of warship. The term has been in use for several hundreds of years, and has had different meanings throughout this period...

     and two destroyer
    Destroyer
    In naval terminology, a destroyer is a fast and maneuverable yet long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against smaller, powerful, short-range attackers. Destroyers, originally called torpedo-boat destroyers in 1892, evolved from...

    s, sinks two auxiliary ship
    Auxiliary ship
    An auxiliary ship is a naval ship which is designed to operate in any number of roles supporting combatant ships and other naval operations. Auxiliaries are not primary combatants, although they may have some limited combat capacity, usually of a self defensive nature.Auxiliaries are extremely...

    s, and knocks out seaplane
    Seaplane
    A seaplane is a fixed-wing aircraft capable of taking off and landing on water. Seaplanes that can also take off and land on airfields are a subclass called amphibian aircraft...

     hangar
    Hangar
    A hangar is a closed structure to hold aircraft or spacecraft in protective storage. Most hangars are built of metal, but other materials such as wood and concrete are also sometimes used...

    s and oil storage tank
    Storage tank
    A storage tank is a container, usually for holding liquids, sometimes for compressed gases . The term can be used for reservoirs , and for manufactured containers. The usage of the word tank for reservoirs is common or universal in Indian English, American English and moderately common in British...

    s. By far the most successful carrier-based air raid against enemy capital ship
    Capital ship
    The capital ships of a navy are its most important warships; they generally possess the heaviest firepower and armor and are traditionally much larger than other naval vessels...

    s to date, it is the first time in history that aircraft alone incapacitate an enemy fleet and alter the balance of power at sea unaided.
  • November 14–15 (overnight) – 437 aircraft of the German Air Force (Luftwaffe
    Luftwaffe
    Luftwaffe is a generic German term for an air force. It is also the official name for two of the four historic German air forces, the Wehrmacht air arm founded in 1935 and disbanded in 1946; and the current Bundeswehr air arm founded in 1956....

    ) make a massed air raid on Coventry
    Coventry
    Coventry is a city and metropolitan borough in the county of West Midlands in England. Coventry is the 9th largest city in England and the 11th largest in the United Kingdom. It is also the second largest city in the English Midlands, after Birmingham, with a population of 300,848, although...

    . 380 civilians are killed and some 800 are wounded.
  • November 17 – Operation White
    Operation White
    Operation White was a British attempt to deliver 14 aircraft—12 Hawker Hurricane fighters and two Blackburn Skua dive bombers—to Malta from the aircraft carrier , on 17 November 1940. The operation was thwarted by the presence of the Italian Fleet at sea, which prompted a premature take-off of the...

    , a second attempt by the British aircraft carrier to fly off aircraft – 14 RAF Hawker Hurricane
    Hawker Hurricane
    The Hawker Hurricane is a British single-seat fighter aircraft that was designed and predominantly built by Hawker Aircraft Ltd for the Royal Air Force...

    s and two Fleet Air Arm
    Fleet Air Arm
    The Fleet Air Arm is the branch of the British Royal Navy responsible for the operation of naval aircraft. The Fleet Air Arm currently operates the AgustaWestland Merlin, Westland Sea King and Westland Lynx helicopters...

     Blackburn Skua
    Blackburn Skua
    The Blackburn B-24 Skua was a carrier-based low-wing, two-seater, single-radial engine aircraft operated by the British Fleet Air Arm which combined the functions of a dive bomber and fighter. It was designed in the mid-1930s, and saw service in the early part of the Second World War...

    s – to Malta
    Malta
    Malta , officially known as the Republic of Malta , is a Southern European country consisting of an archipelago situated in the centre of the Mediterranean, south of Sicily, east of Tunisia and north of Libya, with Gibraltar to the west and Alexandria to the east.Malta covers just over in...

     fails almost completely when the aircraft are launched at too great a range and become lost in bad weather. Only four Hurricanes and a Skua reach Malta; the other Hurricanes all ditch in the Mediterranean with the loss of all but one of their pilots, and one Skua crashlands on Sicily
    Sicily
    Sicily is a region of Italy, and is the largest island in the Mediterranean Sea. Along with the surrounding minor islands, it constitutes an autonomous region of Italy, the Regione Autonoma Siciliana Sicily has a rich and unique culture, especially with regard to the arts, music, literature,...

    , where the Italians capture its crew.
  • November 27 – During the Battle of Cape Spartivento
    Battle of Cape Spartivento
    The Battle of Cape Spartivento, known as the Battle of Cape Teulada in Italy, was a naval battle during the Battle of the Mediterranean in the Second World War...

    , the Italian naval commander Admiral
    Admiral
    Admiral is the rank, or part of the name of the ranks, of the highest naval officers. It is usually considered a full admiral and above vice admiral and below admiral of the fleet . It is usually abbreviated to "Adm" or "ADM"...

     Inigo Campioni
    Inigo Campioni
    Inigo Campioni was an Admiral in the Italian Royal Navy during World War II.Campioni was born in Viareggio, Tuscany....

     orders his fleet to retire upon receiving word of the strength of the opposing British force. A torpedo strike by 11 Swordfish against his fleeing ships is ineffective, as is a belated attack on the British aircraft carrier by Italian high-level bombers.

December

  • Early December – Southampton
    Southampton
    Southampton is the largest city in the county of Hampshire on the south coast of England, and is situated south-west of London and north-west of Portsmouth. Southampton is a major port and the closest city to the New Forest...

     suffers two particularly severe German night bombing raids.
  • December 4 – Operational control of RAF Coastal Command
    RAF Coastal Command
    RAF Coastal Command was a formation within the Royal Air Force . Founded in 1936, it was the RAF's premier maritime arm, after the Royal Navy's secondment of the Fleet Air Arm in 1937. Naval aviation was neglected in the inter-war period, 1919–1939, and as a consequence the service did not receive...

     is transferred to the Royal Navy
    Royal Navy
    The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

    , although Coastal Command remains part of the Royal Air Force
    Royal Air Force
    The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

    . Air protection of British merchant shipping soon begins to improve.
  • December 12 – The British aircraft carriers HMS Eagle
    HMS Eagle (1918)
    HMS Eagle was an early aircraft carrier of the Royal Navy. Ordered by Chile as the Almirante Cochrane, she was laid down before World War I. In early 1918 she was purchased by Britain for conversion to an aircraft carrier; this work was finished in 1924...

     and HMS Illustrious strike Italian transport at Bardia
    Bardia
    Bardia is a geographic region in the Democratic Republic of Nepal.Bardia comprises a portion of the Terai, or lowland hills and valleys of southern Nepal. The Terai is over 1,000 feet in elevation, and extends all along the Indian border...

    , Libya
    Libya
    Libya is an African country in the Maghreb region of North Africa bordered by the Mediterranean Sea to the north, Egypt to the east, Sudan to the southeast, Chad and Niger to the south, and Algeria and Tunisia to the west....

    . Later in the month their aircraft strike Rhodes
    Rhodes
    Rhodes is an island in Greece, located in the eastern Aegean Sea. It is the largest of the Dodecanese islands in terms of both land area and population, with a population of 117,007, and also the island group's historical capital. Administratively the island forms a separate municipality within...

     and Stampalia in Greece
    Greece
    Greece , officially the Hellenic Republic , and historically Hellas or the Republic of Greece in English, is a country in southeastern Europe....

     and Tripoli
    Tripoli
    Tripoli is the capital and largest city in Libya. It is also known as Western Tripoli , to distinguish it from Tripoli, Lebanon. It is affectionately called The Mermaid of the Mediterranean , describing its turquoise waters and its whitewashed buildings. Tripoli is a Greek name that means "Three...

     in Libya.
  • December 16-17 (overnight) – For the first time, Royal Air Force Bomber Command conducts a raid focusing on attacking a city center rather than specific targets in Operation Rachel, a raid by 134 British bombers against Mannheim
    Mannheim
    Mannheim is a city in southwestern Germany. With about 315,000 inhabitants, Mannheim is the second-largest city in the Bundesland of Baden-Württemberg, following the capital city of Stuttgart....

    , Germany, in reprisal for the German raid on Coventry in November. Their bombs are dispersed widely, killing 34 people in Mannheim and Ludwigshafen.
  • December 21 – Nine Fairey Swordfish
    Fairey Swordfish
    The Fairey Swordfish was a torpedo bomber built by the Fairey Aviation Company and used by the Fleet Air Arm of the Royal Navy during the Second World War...

     from the British aircraft carrier HMS Illustrious sink two Italian merchant ships off Tunisia
    Tunisia
    Tunisia , officially the Tunisian RepublicThe long name of Tunisia in other languages used in the country is: , is the northernmost country in Africa. It is a Maghreb country and is bordered by Algeria to the west, Libya to the southeast, and the Mediterranean Sea to the north and east. Its area...

     with the loss of one Swordfish.
  • December 23 – Eddie August Schneider
    Eddie August Schneider
    Eddie August Henry Schneider set three transcontinental airspeed records for pilots under the age of twenty-one in 1930. His plane was a Cessna Model AW with a Warner-Scarab engine, one of only 48 built, that he called "The Kangaroo". He set the east-to-west, then the west-to-east, and the...

     dies in crash when his plane is clipped by a U.S. Navy bomber at Floyd Bennett Field
    Floyd Bennett Field
    Floyd Bennett Field is New York City's first municipal airport. While no longer used as an operational commercial, military or general aviation airfield, the New York Police Department still flies its helicopters from its heliport base there...

    .
  • December 25 – Two British Royal Navy
    Royal Navy
    The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

     Fleet Air Arm
    Fleet Air Arm
    The Fleet Air Arm is the branch of the British Royal Navy responsible for the operation of naval aircraft. The Fleet Air Arm currently operates the AgustaWestland Merlin, Westland Sea King and Westland Lynx helicopters...

     Grumman Martlets of 804 Naval Air Squadron
    804 Naval Air Squadron
    804 Naval Air Squadron was a Naval Air Squadron of the Royal Navy, formed in November 1939 from part of 769 NAS Sea Gladiators which had been detached to RNAS Hatston. The squadron was merged into 800 NAS in June 1944 and subsequently reformed in September.-World War II:During World War II, she...

     shoot down a German Junkers Ju 88
    Junkers Ju 88
    The Junkers Ju 88 was a World War II German Luftwaffe twin-engine, multi-role aircraft. Designed by Hugo Junkers' company through the services of two American aviation engineers in the mid-1930s, it suffered from a number of technical problems during the later stages of its development and early...

     off Scapa Flow
    Scapa Flow
    right|thumb|Scapa Flow viewed from its eastern endScapa Flow is a body of water in the Orkney Islands, Scotland, United Kingdom, sheltered by the islands of Mainland, Graemsay, Burray, South Ronaldsay and Hoy. It is about...

    . It is the first aerial victory in Europe by an American-made aircraft in history and the first by any variant of the Grumman F4F Wildcat.
  • December 29-30 (overnight) – The Luftwaffe makes a devastating attack on London
    London
    London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

    , making extensive use of incendiary weapons.
  • December 31 – During 1940, German night fighters defending Germany have shot down 42 British bombers.

First flights

  • Ikarus Aero 2
    Ikarus Aero 2
    |-See also:-External links:*...

  • Summer 1940 – Tachikawa Ki-54
    Tachikawa Ki-54
    -See also:-References:NotesBibliography* Francillon, Ph.D., René J. Japanese Aircraft of the Pacific War. London: Putnam Aeronautical, 1979. ISBN 0-370-30251-6....

     (Allied reporting name
    World War II Allied names for Japanese aircraft
    The World War II Allied names for Japanese aircraft were reporting names, often described as codenames, given by Allied personnel to Imperial Japanese aircraft during the Pacific campaign of World War II. The names were used by Allied personnel to identify Japanese aircraft for reporting and...

     "Hickory")

January

  • January 4 - Fairey Fulmar
    Fairey Fulmar
    The Fairey Fulmar was a British carrier-borne fighter aircraft that served with the Fleet Air Arm during the Second World War. A total of 600 were built by Fairey Aviation at its Stockport factory between January 1940 and December 1942...

     production aircraft N1854
  • January 13 - Yakovlev Ya-26, prototype of the Yakovlev Yak-1
    Yakovlev Yak-1
    The Yakovlev Yak-1 was a World War II Soviet fighter aircraft. Produced from early 1940, it was a single-seat monoplane with a composite structure and wooden wings....


March

  • Republic YP-43, prototype of the P-43 Lancer
  • March 20 – Armstrong Whitworth Albemarle
    Armstrong Whitworth Albemarle
    The Armstrong Whitworth A.W.41 Albemarle was a British twin-engine transport aircraft that entered service during the Second World War.Originally designed as a medium bomber that could be built by non-aviation companies without using light alloys, the Albemarle never served in that role, instead...

     prototype P1361

May

  • May 13 - Bell XFL-1 Airabonita
  • May 18 - SAAB B17
    Saab 17
    -References:* Jane, Fred T. “The Saab-17.” Jane’s Fighting Aircraft of World War II. London: Studio, 1946. ISBN 1-85170-493-0....

  • May 29 - Vought XF4U-1, prototype of the F4U Corsair

August

  • Mitsubishi Ki-57
    Mitsubishi Ki-57
    |-See also:-References:NotesBibliography* Francillon, Ph.D., René J. The Mitsubishi Ki-21 . Leatherhead, Surrey, UK: Profile Publications Ltd., 1967....

     (Allied reporting name
    World War II Allied names for Japanese aircraft
    The World War II Allied names for Japanese aircraft were reporting names, often described as codenames, given by Allied personnel to Imperial Japanese aircraft during the Pacific campaign of World War II. The names were used by Allied personnel to identify Japanese aircraft for reporting and...

     "Topsy")
  • Nakajima Ki-44 Shoki
    Nakajima Ki-44
    The Nakajima Ki-44 Shōki was a single-engine fighter aircraft used by the Imperial Japanese Army Air Force in World War II. The type first flew in August 1940 and entered service in 1942...

     ("Devil-Queller"), Allied reporting name
    World War II Allied names for Japanese aircraft
    The World War II Allied names for Japanese aircraft were reporting names, often described as codenames, given by Allied personnel to Imperial Japanese aircraft during the Pacific campaign of World War II. The names were used by Allied personnel to identify Japanese aircraft for reporting and...

     "Tojo"
  • August 28 - Caproni-Campini N.1, thermojet-powered aircraft

September

  • Aichi H9A
    Aichi H9A
    |-See also:-References:NotesBibliography* Francillon, Ph.D., René J. Japanese Aircraft of the Pacific War. London: Putnam & Company Ltd., 1979. ISBN 0-370-30251-6....

  • September 1 – North American P-64
    North American P-64
    |-See also:-References:NotesBibliography* Green, William. War Planes of the Second World War - Fighters . London: MacDonald, 1961.-External links:* *...

  • September 7 – Blohm & Voss BV 222
  • September 14 – Miles M.20
    Miles M.20
    |-See also:-References:NotesBibliography* Amos, Peter and Don Lambert Brown. Miles Aircraft Since 1925, Volume 1. London: Putnam Aeronautical, 2000. ISBN 0-85177-787-0....

     U-9

October

  • October 12 - Ilyushin TsKB-57, prototype of the Ilyushin Il-2
    Ilyushin Il-2
    The Ilyushin Il-2 was a ground-attack aircraft in the Second World War, produced by the Soviet Union in very large numbers...

  • October 18 - Airspeed Fleet Shadower
    Airspeed Fleet Shadower
    -References:NotesBibliography* Flight, 1951* Bridgman, Leonard, ed. Jane’s All The World’s Aircraft 1945-1946. London: Samson Low, Marston & Company, Ltd, 1946....

  • October 26 - North American NA-73X, prototype of the P-51 Mustang
    P-51 Mustang
    The North American Aviation P-51 Mustang was an American long-range, single-seat fighter and fighter-bomber used during World War II, the Korean War and in several other conflicts...


November

  • Kawasaki Ki-56
    Kawasaki Ki-56
    |-See also:-References:NotesBibliography* Francillon, Ph.D., René J. Japanese Aircraft of the Pacific War. London: Putnam & Company, 1970 . ISBN 0-370-30251-6....

     (Allied reporting name
    World War II Allied names for Japanese aircraft
    The World War II Allied names for Japanese aircraft were reporting names, often described as codenames, given by Allied personnel to Imperial Japanese aircraft during the Pacific campaign of World War II. The names were used by Allied personnel to identify Japanese aircraft for reporting and...

     "Thalia")
  • November 25 - de Havilland Mosquito
    De Havilland Mosquito
    The de Havilland DH.98 Mosquito was a British multi-role combat aircraft that served during the Second World War and the postwar era. It was known affectionately as the "Mossie" to its crews and was also nicknamed "The Wooden Wonder"...

     prototype W4050
  • November 29 - Junkers Ju 288
    Junkers Ju 288
    |-See also:-References:NotesBibliography* Hitchcock, Thomas H. Junkers 288 . Acton, MA: Monogram Aviation Publications, 1974. ISBN 0-914144-02-2.-External links:...


December

  • Nakajima Ki-58
  • Yokosuka D4Y Suisei
    Yokosuka D4Y
    The D4Y Navy Type 2 Carrier Dive bomber was operated by the Imperial Japanese Navy. Its Allied reporting name was "Judy". The D4Y was one of the fastest dive-bombers of the war, and only the delays in its development hindered its service, while its predecessor, the slower fixed gear Aichi D3A...

     ("Comet"), Allied reporting name
    World War II Allied names for Japanese aircraft
    The World War II Allied names for Japanese aircraft were reporting names, often described as codenames, given by Allied personnel to Imperial Japanese aircraft during the Pacific campaign of World War II. The names were used by Allied personnel to identify Japanese aircraft for reporting and...

     "Judy"
  • December 7 - Fairey Barracuda
    Fairey Barracuda
    The Fairey Barracuda was a British carrier-borne torpedo- and dive bomber used during the Second World War, the first of its type used by the Royal Navy's Fleet Air Arm to be fabricated entirely from metal. It was introduced as a replacement for the Fairey Swordfish and Fairey Albacore biplanes...

     prototype P1767
  • December 18 - Curtiss SB2C Helldiver
    SB2C Helldiver
    The Curtiss SB2C Helldiver was a carrier-based dive bomber aircraft produced for the United States Navy during World War II. It replaced the Douglas SBD Dauntless in US Navy service. Despite its size, the SB2C was much faster than the SBD it replaced...


Entered service

  • Summer 1940 – Kawasaki Ki-48
    Kawasaki Ki-48
    The Kawasaki Ki-48, 九九式双発軽爆撃機 'Sokei', Army Type 99 Twin-engined Light Bomber, was a Japanese twin-engine light bomber that was used during World War II. Its Allied reporting name was "Lily".-Development:...

     (Allied reporting name
    World War II Allied names for Japanese aircraft
    The World War II Allied names for Japanese aircraft were reporting names, often described as codenames, given by Allied personnel to Imperial Japanese aircraft during the Pacific campaign of World War II. The names were used by Allied personnel to identify Japanese aircraft for reporting and...

     "Lily")

February

  • Blackburn Roc
    Blackburn Roc
    |-See also:-References:NotesBibliography* Brew, Alec. The Turret Fighters: Defiant and Roc. Ramsbury, Marlborough, Wiltshire, UK: Crowood Press, 2002. ISBN 1-86126-497-6....

  • February 24 – Grumman F4F Wildcat with the United States Navy
    United States Navy
    The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...


June

  • Brewster F2A Buffalo with United States Navy
    United States Navy
    The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

     Fighter Squadron 3 (VF-3)
    VF-3
    VF-3 or Fighter Squadron 3 was known as the Felix Cat Squadron, was a United States Navy strike fighter squadron now inactive.-History:A number of fighter squadrons have been designated VF-3, most before World War II. Officially, the U.S. Navy does not recognize a direct lineage with disestablished...

     aboard , the first carrier-borne U.S. Navy monoplane
    Monoplane
    A monoplane is a fixed-wing aircraft with one main set of wing surfaces, in contrast to a biplane or triplane. Since the late 1930s it has been the most common form for a fixed wing aircraft.-Types of monoplane:...

     fighter
  • Lockheed P-38 Lightning – the first twin-engined interceptor
    Interceptor aircraft
    An interceptor aircraft is a type of fighter aircraft designed specifically to prevent missions of enemy aircraft, particularly bombers and reconnaissance aircraft. Interceptors generally rely on high speed and powerful armament in order to complete their mission as quickly as possible and set up...

     fighter in U.S. Army service, the first twin-boom fighter in series production, and the first production fighter with a maximum speed in excess of 400 mph (644 km/h) – with the United States Army Air Corps
    United States Army Air Corps
    The United States Army Air Corps was a forerunner of the United States Air Force. Renamed from the Air Service on 2 July 1926, it was part of the United States Army and the predecessor of the United States Army Air Forces , established in 1941...


July

  • Fairey Fulmar
    Fairey Fulmar
    The Fairey Fulmar was a British carrier-borne fighter aircraft that served with the Fleet Air Arm during the Second World War. A total of 600 were built by Fairey Aviation at its Stockport factory between January 1940 and December 1942...

     with No. 806 Squadron FAA
  • Westland Whirlwind
    Westland Whirlwind (fixed wing)
    The Westland Whirlwind was a British twin-engined heavy fighter developed by Westland Aircraft. It was the Royal Air Force's first single-seat, twin-engined, cannon-armed fighter, and a contemporary of the Supermarine Spitfire and Hawker Hurricane. It was one of the fastest aircraft when it flew in...

     with No. 263 Squadron RAF
    No. 263 Squadron RAF
    No 263 Squadron was an Royal Air Force fighter squadron formed in Italy towards the end of World War I. After being disbanded in 1919 it reformed in 1939 flying mainly strike and heavy fighter aircraft until becoming No 1 Squadron in 1958.-First World War:...

  • July 21 – Mitsubishi A6M Zero (Allied reporting name
    World War II Allied names for Japanese aircraft
    The World War II Allied names for Japanese aircraft were reporting names, often described as codenames, given by Allied personnel to Imperial Japanese aircraft during the Pacific campaign of World War II. The names were used by Allied personnel to identify Japanese aircraft for reporting and...

     "Zeke") with the Imperial Japanese Navy
    Imperial Japanese Navy
    The Imperial Japanese Navy was the navy of the Empire of Japan from 1869 until 1947, when it was dissolved following Japan's constitutional renunciation of the use of force as a means of settling international disputes...

    s 12th Combined Naval Air Corps

September

  • Bell YP-39 Airacobra with the United States Army Air Corps
    United States Army Air Corps
    The United States Army Air Corps was a forerunner of the United States Air Force. Renamed from the Air Service on 2 July 1926, it was part of the United States Army and the predecessor of the United States Army Air Forces , established in 1941...


October

  • Curtiss CW-21B with the Royal Netherlands East Indies Army Air Corps

November

  • November 1 – Avro Manchester
    Avro Manchester
    |-See also:-References:NotesCitationsBibliography* Buttler, Tony. British Secret Projects: Fighters and Bombers 1935–1950. Hickley, UK: Midland Publishing, 2004. ISBN 978-1857801798....

     with the Royal Air Forces No. 207 Squadron
  • November 13 – Handley Page Halifax
    Handley Page Halifax
    The Handley Page Halifax was one of the British front-line, four-engined heavy bombers of the Royal Air Force during the Second World War. A contemporary of the famous Avro Lancaster, the Halifax remained in service until the end of the war, performing a variety of duties in addition to bombing...

     with the Royal Air Forces No. 35 Squadron
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