Dominium maris baltici
Encyclopedia
The establishment of a ("Baltic Sea
Baltic Sea
The Baltic Sea is a brackish mediterranean sea located in Northern Europe, from 53°N to 66°N latitude and from 20°E to 26°E longitude. It is bounded by the Scandinavian Peninsula, the mainland of Europe, and the Danish islands. It drains into the Kattegat by way of the Øresund, the Great Belt and...

 dominion", meaning control of the Baltic Sea) was one of the primary political aims of the Danish
Kingdom of Denmark
The Kingdom of Denmark or the Danish Realm , is a constitutional monarchy and sovereign state consisting of Denmark proper in northern Europe and two autonomous constituent countries, the Faroe Islands in the North Atlantic and Greenland in North America. Denmark is the hegemonial part, where the...

 and Swedish kingdoms in the late medieval
Late Middle Ages
The Late Middle Ages was the period of European history generally comprising the 14th to the 16th century . The Late Middle Ages followed the High Middle Ages and preceded the onset of the early modern era ....

 and Early Modern eras. In the struggle for the dominium maris baltici (Northern Wars
Northern Wars
Northern Wars is a term used for a series of wars fought in northern and northeastern Europe in the 16th and 17th century. An internationally agreed nomenclature for these wars has not yet been devised...

), the Danish and Swedish navies played a secondary role, as the dominium was to be won by control of key coasts by land warfare.

Etymology

The term, which is commonly used in historiography, was probably coined in 1563 by the king and grand duke of the Polish-Lithuanian union
Polish-Lithuanian Union
The term Polish–Lithuanian Union sometimes called as United Kingdom of Poland and Lithuania refers to a series of acts and alliances between the Kingdom of Poland and the Grand Duchy of Lithuania that lasted for prolonged periods of time and led to the creation of the Polish–Lithuanian...

, Sigismund II Augustus
Sigismund II Augustus
Sigismund II Augustus I was King of Poland and Grand Duke of Lithuania, the only son of Sigismund I the Old, whom Sigismund II succeeded in 1548...

, referring to the hegemonial ambitions of his adversaries in the Livonian War
Livonian War
The Livonian War was fought for control of Old Livonia in the territory of present-day Estonia and Latvia when the Tsardom of Russia faced a varying coalition of Denmark–Norway, the Kingdom of Sweden, the Union of the Grand Duchy of Lithuania and the Kingdom of Poland.During the period 1558–1578,...

. The first written reference stems from the Dutch-Swedish treaty of 5 (O.S.
Old Style and New Style dates
Old Style and New Style are used in English language historical studies either to indicate that the start of the Julian year has been adjusted to start on 1 January even though documents written at the time use a different start of year ; or to indicate that a date conforms to the Julian...

) / 15 (N.S.
Old Style and New Style dates
Old Style and New Style are used in English language historical studies either to indicate that the start of the Julian year has been adjusted to start on 1 January even though documents written at the time use a different start of year ; or to indicate that a date conforms to the Julian...

) April 1614, concluded in The Hague
The Hague
The Hague is the capital city of the province of South Holland in the Netherlands. With a population of 500,000 inhabitants , it is the third largest city of the Netherlands, after Amsterdam and Rotterdam...

.Treaty of The Hague, 5 (15) April 1614, article VIII of the Dutch version: "[...] sijne Koninghlijcke Majesteyt ende de Croon Sweeden, in haere Hoogheydt, Regalien, Rechten, Dominio Maris Baltici [...]" ("the sovereignty, regalia, rights, dominium maris baltici [...] of His Royal Majesty and the Swedish Crown", i.e. Gustavus Adolphus of Sweden
Gustavus Adolphus of Sweden
Gustav II Adolf has been widely known in English by his Latinized name Gustavus Adolphus Magnus and variously in historical writings also as Gustavus, or Gustavus the Great, or Gustav Adolph the Great,...

). printed in DuMont: Recueil des traitez d'alliance tome V, 1728, p. 248.

Wars over the Baltic

The Baltic sea
Baltic Sea
The Baltic Sea is a brackish mediterranean sea located in Northern Europe, from 53°N to 66°N latitude and from 20°E to 26°E longitude. It is bounded by the Scandinavian Peninsula, the mainland of Europe, and the Danish islands. It drains into the Kattegat by way of the Øresund, the Great Belt and...

 was vital for many European powers. It was a source for important materials, and a growing market for many commodities. The importance of the region was such, that it was of interest to powers which did not have direct access to it, like Austria
Austria
Austria , officially the Republic of Austria , is a landlocked country of roughly 8.4 million people in Central Europe. It is bordered by the Czech Republic and Germany to the north, Slovakia and Hungary to the east, Slovenia and Italy to the south, and Switzerland and Liechtenstein to the...

 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...

. For several centuries, Sweden and Denmark would attempt to gain the total control of the sea, a policy that was opposed by other local and international powers. The control of the Baltic has been described as one of the main goals of the Denmark's and Sweden's policies.

The conflict over the Baltic was heavily shaped by the expansionist policy of the Scandinavian (Nordic) powers, who sensed opportunity in the power vacuum created by the weak or non-existent naval power of the Holy Roman Empire
Holy Roman Empire
The Holy Roman Empire was a realm that existed from 962 to 1806 in Central Europe.It was ruled by the Holy Roman Emperor. Its character changed during the Middle Ages and the Early Modern period, when the power of the emperor gradually weakened in favour of the princes...

 and Poland-Lithuania
Polish-Lithuanian Commonwealth
The Polish–Lithuanian Commonwealth was a dualistic state of Poland and Lithuania ruled by a common monarch. It was the largest and one of the most populous countries of 16th- and 17th‑century Europe with some and a multi-ethnic population of 11 million at its peak in the early 17th century...

. Denmark and Sweden used their control of parts of the Baltic to fuel their militaries. Both claimed the Baltic as theirs, and promised to protect foreign shipping. While the Nordic powers vied with one another over control, they both agreed that it should be the domain of one of them, not an "outsider", like Poland or Russia. The Scandinavian powers tried to prevent the raise of the opposition through diplomatic treaties, in which other powers like Russia or Germany were forbidden to create their navies, and through military actions, whether targeting opponent naval forces, or through taking control of the Baltic ports. In one of the most notable actions to retain its monopoly over the Baltic, Denmark destroyed, without declaration of war, the nascent Polish-Lithuanian Commonwealth Navy
Polish-Lithuanian Commonwealth Navy
Polish–Lithuanian Commonwealth Navy was the navy of the Polish–Lithuanian Commonwealth.- Battle of Oliva :During the time of Polish–Swedish War in 1627, the Commonwealth fleet under command of Admiral Arend Dickmann achieved it most famous victory, breaking the Swedish blockade at the Battle of...

 in 1637.

The numerous wars fought for the dominium maris baltici are often collectively referred to as Northern Wars
Northern Wars
Northern Wars is a term used for a series of wars fought in northern and northeastern Europe in the 16th and 17th century. An internationally agreed nomenclature for these wars has not yet been devised...

. Early on, Denmark had the upper hand, but eventually, it lost to Sweden. Neither Denmark nor Sweden managed to realize thorough military and economic control of the Baltic, though Sweden during her time as an empire
Swedish Empire
The Swedish Empire refers to the Kingdom of Sweden between 1561 and 1721 . During this time, Sweden was one of the great European powers. In Swedish, the period is called Stormaktstiden, literally meaning "the Great Power Era"...

 came closest to that aim before the Great Northern War
Great Northern War
The Great Northern War was a conflict in which a coalition led by the Tsardom of Russia successfully contested the supremacy of the Swedish Empire in northern Central Europe and Eastern Europe. The initial leaders of the anti-Swedish alliance were Peter I the Great of Russia, Frederick IV of...

.

Danish dominium maris baltici

In historiography, the term dominium maris baltici is used either in a narrower sense as a new Swedish concept of the Early Modern era, closely tied to the Swedish Empire
Swedish Empire
The Swedish Empire refers to the Kingdom of Sweden between 1561 and 1721 . During this time, Sweden was one of the great European powers. In Swedish, the period is called Stormaktstiden, literally meaning "the Great Power Era"...

, or in a wider sense including the preceding Danish hegemony in the southern Baltic Sea.

Dernmark had subdued the southern Baltic coast in the 12th century, but lost control in the 13th century after her defeat in the Battle of Bornhöved (1227)
Battle of Bornhöved (1227)
The Battle of Bornhöved took place on 22 July 1227 near Bornhöved in Holstein. Count Adolf IV of Schauenburg and Holstein — leading an army consisting of troops from the cities of Lübeck and Hamburg, about 1000 Dithmarsians and combined troops of Holstein next to various north German nobles —...

, with the exception of the principality of Rügen. Thereafter, the Hanseatic League
Hanseatic League
The Hanseatic League was an economic alliance of trading cities and their merchant guilds that dominated trade along the coast of Northern Europe...

 became the dominant economic power in the Baltic Sea. Valdemar IV "Atterdag" of Denmark
Valdemar IV of Denmark
Valdemar IV of Denmark or Waldemar ; , was King of Denmark from 1340 to 1375.-Ascension to the throne:...

 is credited by Robert Bohn as the first Danish king pursuing a policy of establishing a Danish dominium maris baltici, aiming at adding to Denmark's naval dominance an economical hegemony at the expense of the Hanseatic League. To achieve this aim, Valdemar sold Danish Estonia
Danish Estonia
Danish Estonia refers to the territories of present-day Estonia that were ruled by Denmark firstly during the 13th–14th centuries and again in the 16th–17th centuries....

 to the Teutonic Order state in 1346, consolidating his finances and raising an army from the revenue. After initial territorial gains, Valdemar conquered the Hanseatic town
Battle of Visby
The Battle of Visby was fought in 1361 near the town of Visby on the island of Gotland, between the forces of the Danish king and the Gutnish country yeomen. The Danish force was victorious.-Background:...

 of Visby
Visby
-See also:* Battle of Visby* Gotland University College* List of governors of Gotland County-External links:* - Visby*...

 (Gotland
Gotland
Gotland is a county, province, municipality and diocese of Sweden; it is Sweden's largest island and the largest island in the Baltic Sea. At 3,140 square kilometers in area, the region makes up less than one percent of Sweden's total land area...

), resulting in a war decided by the League in the peace of Stralsund in 1370, which marked the climax of Hanseatic power.

Atterdag's daughter and de facto successor, Lady Margaret
Margaret I of Denmark
Margaret I was Queen of Denmark, Norway and Sweden and founder of the Kalmar Union, which united the Scandinavian countries for over a century. Although she acted as queen regnant, the laws of contemporary Danish succession denied her formal queenship. Her title in Denmark was derived from her...

, managed to concentrate the crowns of Denmark, Norway and Sweden in her Copenhagen
Copenhagen
Copenhagen is the capital and largest city of Denmark, with an urban population of 1,199,224 and a metropolitan population of 1,930,260 . With the completion of the transnational Øresund Bridge in 2000, Copenhagen has become the centre of the increasingly integrating Øresund Region...

-centered Kalmar Union
Kalmar Union
The Kalmar Union is a historiographical term meaning a series of personal unions that united the three kingdoms of Denmark, Norway , and Sweden under a single monarch, though intermittently and with a population...

. In 1429, Kalmar king Eric of Pomerania
Eric of Pomerania
Eric of Pomerania KG was King Eric III of Norway Norwegian Eirik, King Eric VII of Denmark , and as Eric King of Sweden...

 started to raise the Sound Dues
Sound Dues
The Sound Dues were a toll on the use of the Sound which constituted up to two thirds of Denmark's state income in the 16th and 17th centuries...

 from merchants entering or leaving the Baltic Sea, allowing the Copenhagen court to benefit from the Baltic Sea trade profits without engaging in economic adventures itself. The Sound Dues, imposed until 1857 and constituting a primary source of income for the Royal treasury, quickly became a contentious issue which brought Denmark in conflict with the Hanseatic League and the neighboring powers.

After the break-up of the Kalmar Union, the Kingdom of Sweden became Denmark-Norway's primary rival for hegemony in the Baltic Sea. Christian IV of Denmark
Christian IV of Denmark
Christian IV was the king of Denmark-Norway from 1588 until his death. With a reign of more than 59 years, he is the longest-reigning monarch of Denmark, and he is frequently remembered as one of the most popular, ambitious and proactive Danish kings, having initiated many reforms and projects...

's victiory in the Kalmar War
Kalmar War
The Kalmar War was a war between Denmark–Norway and Sweden. Though Denmark soon gained the upper hand, she was unable to defeat Sweden entirely...

 in 1613 marked the last instance of a successful defense of the dominium maris baltici against Sweden, while the subsequent wars ended in favor of the latter. The period of Danish intervention in the Thirty Years' War
Thirty Years' War
The Thirty Years' War was fought primarily in what is now Germany, and at various points involved most countries in Europe. It was one of the most destructive conflicts in European history....

 (Kejserkrig) is also considered part of the wars for the dominium maris baltici—in this war, however, the opponent was not the Swedish king, but the ambitious Holy Roman Emperor
Holy Roman Emperor
The Holy Roman Emperor is a term used by historians to denote a medieval ruler who, as German King, had also received the title of "Emperor of the Romans" from the Pope...

 Ferdinand II
Ferdinand II, Holy Roman Emperor
Ferdinand II , a member of the House of Habsburg, was Holy Roman Emperor , King of Bohemia , and King of Hungary . His rule coincided with the Thirty Years' War.- Life :...

, who temporarily planned to establish the empire as a naval power in the Baltic. He assigned this task to Albrecht von Wallenstein
Albrecht von Wallenstein
Albrecht Wenzel Eusebius von Wallenstein , actually von Waldstein, was a Bohemian soldier and politician, who offered his services, and an army of 30,000 to 100,000 men during the Danish period of the Thirty Years' War , to the Holy Roman Emperor Ferdinand II...

, leading to a concerted action of Denmark and Sweden in the defense of Stralsund
Battle of Stralsund (1628)
The Siege of Stralsund was a siege laid on Stralsund by Albrecht von Wallenstein's Imperial Army during the Thirty Years' War, from May to 4 August 1628. Stralsund was aided by Denmark and Sweden, with considerable Scottish participation. The siege ended Wallenstein's series of victories, and...

. The Danish defeat in the battle of Wolgast
Battle of Wolgast
The Battle of Wolgast was an engagement in the Thirty Years' War, fought on 22 August or 2 September 1628 near Wolgast, Duchy of Pomerania, Germany.In the 17th century, the Julian calendar was used in the region, which then was ten days late compared to the Gregorian calendar:Danish take-over: 14...

 and the subsequent treaty of Lübeck
Treaty of Lübeck
Treaty or Peace of Lübeck ended the Danish intervention in the Thirty Years' War . It was signed in Lübeck on 22 May 1629 by Albrecht von Wallenstein and Christian IV of Denmark, and on 7 June by Ferdinand II, Holy Roman Emperor. The Catholic League was formally included as a party...

 in 1629 however removed Denmark from the battlefield.

Swedish dominium maris baltici

After Sweden had become independent from the Kalmar union, she became Denmark's major rival for the dominium maris baltici. The first war ascribed to this conflict is the Northern Seven Years' War
Northern Seven Years' War
The Northern Seven Years' War was the war between Kingdom of Sweden and a coalition of Denmark–Norway, Lübeck and the Polish–Lithuanian union, fought between 1563 and 1570...

 (1563–1570, associated with the Livonian War
Livonian War
The Livonian War was fought for control of Old Livonia in the territory of present-day Estonia and Latvia when the Tsardom of Russia faced a varying coalition of Denmark–Norway, the Kingdom of Sweden, the Union of the Grand Duchy of Lithuania and the Kingdom of Poland.During the period 1558–1578,...

), between 1611 and 1613 followed the abovementioned Kalmar War
Kalmar War
The Kalmar War was a war between Denmark–Norway and Sweden. Though Denmark soon gained the upper hand, she was unable to defeat Sweden entirely...

. Major Swedish successes followed the capture of Riga
Riga
Riga is the capital and largest city of Latvia. With 702,891 inhabitants Riga is the largest city of the Baltic states, one of the largest cities in Northern Europe and home to more than one third of Latvia's population. The city is an important seaport and a major industrial, commercial,...

 in 1621 and the Swedish landing in Pomerania in 1630
Treaty of Stettin (1630)
The Treaty of Stettin or Alliance of Stettin was the legal framework for the occupation of the Duchy of Pomerania by the Swedish Empire during the Thirty Years' War...

. The gains in the Torstenson War, a theater of the Thirty Years' War
Thirty Years' War
The Thirty Years' War was fought primarily in what is now Germany, and at various points involved most countries in Europe. It was one of the most destructive conflicts in European history....

, humiliated Denmark, and the subsequent Peace of Westphalia
Peace of Westphalia
The Peace of Westphalia was a series of peace treaties signed between May and October of 1648 in Osnabrück and Münster. These treaties ended the Thirty Years' War in the Holy Roman Empire, and the Eighty Years' War between Spain and the Dutch Republic, with Spain formally recognizing the...

 confirmed Sweden's status as a European great power (stormaktstiden
Swedish Empire
The Swedish Empire refers to the Kingdom of Sweden between 1561 and 1721 . During this time, Sweden was one of the great European powers. In Swedish, the period is called Stormaktstiden, literally meaning "the Great Power Era"...

). Swedish control of the Baltic was not thorough, however, since the Maritime Powers
Maritime Powers
Maritime Powers may refer to both*Early Modern Great Britain*the Dutch Republic...

, especially Dutch Republic
Dutch Republic
The Dutch Republic — officially known as the Republic of the Seven United Netherlands , the Republic of the United Netherlands, or the Republic of the Seven United Provinces — was a republic in Europe existing from 1581 to 1795, preceding the Batavian Republic and ultimately...

, continued to be economically and militarily present and pursued their balance of power policy
European balance of power
The Balance of Power in Europe is an international relations concept that applies historically and currently to the nations of Europe...

 also in respect to Denmark and Sweden. The Second Northern War
Second Northern War
The Second Northern War was fought between Sweden and its adversaries the Polish–Lithuanian Commonwealth , Russia , Brandenburg-Prussia , the Habsburg Monarchy and Denmark–Norway...

, the Scanian War
Scanian War
The Scanian War was a part of the Northern Wars involving the union of Denmark-Norway, Brandenburg and Sweden. It was fought mainly on Scanian soil, in the former Danish provinces along the border with Sweden and in Northern Germany...

 and the first stage
Peace of Travendal
The Peace of Travendal was a peace treaty concluded during the Great Northern War on 8 or 18 August 1700 between the Swedish Empire, Denmark-Norway and Holstein-Gottorp in Traventhal....

 of the Great Northern War
Great Northern War
The Great Northern War was a conflict in which a coalition led by the Tsardom of Russia successfully contested the supremacy of the Swedish Empire in northern Central Europe and Eastern Europe. The initial leaders of the anti-Swedish alliance were Peter I the Great of Russia, Frederick IV of...

 left Sweden's dominium maris baltici intact, yet it was finally ended by the Treaty of Nystad
Treaty of Nystad
The Treaty of Nystad was the last peace treaty of the Great Northern War. It was concluded between the Tsardom of Russia and Swedish Empire on 30 August / 10 September 1721 in the then Swedish town of Nystad , after Sweden had settled with the other parties in Stockholm and Frederiksborg.During...

 in 1721. Sweden had sought to secure her dominium maris baltici by turning many towns (e.g. Riga, Narva, Wismar) into fortresses, often under the aegis of Erik Dahlberg
Erik Dahlberg
Count Erik Jönsson Dahlbergh was a Swedish engineer, soldier, and field marshal, called the "Vauban of Sweden".- Life :...

. Since the Thirty Years' War, Sweden collected customs (Licenten) from merchant vessels on the Baltic Sea, in Swedish as well as in non-Swedish ports. These customs were calculated as a certain percentage of the value of transported goods, and once payment took place in any port, the respective receipt was valid for the whole dominium maris baltici.
Contested Baltic Sea coastal regions, islands and straits of Sweden's dominium maris baltici
Regions Major ports Notes
Scania
Scania
Scania is the southernmost of the 25 traditional non-administrative provinces of Sweden, constituting a peninsula on the southern tip of the Scandinavian peninsula, and some adjacent islands. The modern administrative subdivision Skåne County is almost, but not totally, congruent with the...

Helsingborg
Helsingborg
Helsingborg is a city and the seat of Helsingborg Municipality, Skåne County, Sweden with 97,122 inhabitants in 2010. Helsingborg is the centre of an area in the Øresund region of about 320,000 inhabitants in north-west Scania, and is Sweden's closest point to Denmark, with the Danish city...

Scania, along with the adjacent provinces
Skåneland
Skåneland or Skånelandene are terms used in historical contexts in Scandinavia to describe the area on the southern and south-western part of the Scandinavian peninsula, which under the Treaty of Roskilde was transferred from Denmark to Sweden. It corresponds to the provinces of Blekinge,...

, was ceded to Sweden by the Kingdom of Denmark
Kingdom of Denmark
The Kingdom of Denmark or the Danish Realm , is a constitutional monarchy and sovereign state consisting of Denmark proper in northern Europe and two autonomous constituent countries, the Faroe Islands in the North Atlantic and Greenland in North America. Denmark is the hegemonial part, where the...

 in the Treaty of Roskilde
Treaty of Roskilde
The Treaty of Roskilde was concluded on 26 February or 8 March 1658 during the Second Northern War between Frederick III of Denmark–Norway and Charles X Gustav of Sweden in the Danish city of Roskilde...

 in 1658, during the Second Northern War
Second Northern War
The Second Northern War was fought between Sweden and its adversaries the Polish–Lithuanian Commonwealth , Russia , Brandenburg-Prussia , the Habsburg Monarchy and Denmark–Norway...

.
Malmö
Malmö
Malmö , in the southernmost province of Scania, is the third most populous city in Sweden, after Stockholm and Gothenburg.Malmö is the seat of Malmö Municipality and the capital of Skåne County...

 (Malmø)
Ystad
Ystad
Ystad is a "locality", or town, and the seat of Ystad Municipality, Skåne County, Sweden, with 17,286 inhabitants .Settlement dates back to the 11th century and the town has become a busy ferryport, local administrative centre and tourist attraction...

Blekinge
Blekinge
' is one of the traditional provinces of Sweden , situated in the south of the country. It borders Småland, Scania and the Baltic Sea.The name "Blekinge" comes from the adjective bleke, which corresponds to the nautical term for "dead calm"....

Karlskrona
Karlskrona
Karlskrona is a locality and the seat of Karlskrona Municipality, Blekinge County, Sweden with 35,212 inhabitants in 2010. It is also the capital of Blekinge County. Karlskrona is known as Sweden's only baroque city and is host to Sweden's only remaining naval base and the headquarters of the...

Karlskrona founded in 1680 as primary Swedish naval base after Blekinge was ceded to Sweden by the Kingdom of Denmark
Kingdom of Denmark
The Kingdom of Denmark or the Danish Realm , is a constitutional monarchy and sovereign state consisting of Denmark proper in northern Europe and two autonomous constituent countries, the Faroe Islands in the North Atlantic and Greenland in North America. Denmark is the hegemonial part, where the...

 in the Treaty of Roskilde
Treaty of Roskilde
The Treaty of Roskilde was concluded on 26 February or 8 March 1658 during the Second Northern War between Frederick III of Denmark–Norway and Charles X Gustav of Sweden in the Danish city of Roskilde...

 in 1658, during the Second Northern War
Second Northern War
The Second Northern War was fought between Sweden and its adversaries the Polish–Lithuanian Commonwealth , Russia , Brandenburg-Prussia , the Habsburg Monarchy and Denmark–Norway...

.
Mecklenburg
Mecklenburg
Mecklenburg is a historical region in northern Germany comprising the western and larger part of the federal-state Mecklenburg-Vorpommern...

Wismar
Wismar
Wismar , is a small port and Hanseatic League town in northern Germany on the Baltic Sea, in the state of Mecklenburg-Vorpommern,about 45 km due east of Lübeck, and 30 km due north of Schwerin. Its natural harbour, located in the Bay of Wismar is well-protected by a promontory. The...

Swedish occupation and custums since 1632, Swedish dominion after the Peace of Westphalia
Peace of Westphalia
The Peace of Westphalia was a series of peace treaties signed between May and October of 1648 in Osnabrück and Münster. These treaties ended the Thirty Years' War in the Holy Roman Empire, and the Eighty Years' War between Spain and the Dutch Republic, with Spain formally recognizing the...

, Danish occupation in 1675 (Scanian War
Scanian War
The Scanian War was a part of the Northern Wars involving the union of Denmark-Norway, Brandenburg and Sweden. It was fought mainly on Scanian soil, in the former Danish provinces along the border with Sweden and in Northern Germany...

), restored to Sweden in the Peace of Lund
Peace of Lund
The Peace of Lund, signed on 16 September / 26 September 1679, was the final peace treaty between Denmark-Norway and the Swedish Empire in the Scanian War.The war had started when Sweden on French initiative attacked Brandenburg-Prussia...

 (1679), thereafter Swedish fortress, occupied by Danish, Hanoveranian and Brandenburgian forces during the Great Northern War
Great Northern War
The Great Northern War was a conflict in which a coalition led by the Tsardom of Russia successfully contested the supremacy of the Swedish Empire in northern Central Europe and Eastern Europe. The initial leaders of the anti-Swedish alliance were Peter I the Great of Russia, Frederick IV of...

, restored to Sweden under the caveat that the fortifications were razed, reduced in significance and pawned by Sweden to Mecklenburg-Schwerin
Mecklenburg-Schwerin
Mecklenburg-Schwerin was a duchy in northern Germany created in 1348, when Albert II of Mecklenburg and his younger brother John were raised to Dukes of Mecklenburg by King Charles IV...

 in 1803
Rostock
Rostock
Rostock -Early history:In the 11th century Polabian Slavs founded a settlement at the Warnow river called Roztoc ; the name Rostock is derived from that designation. The Danish king Valdemar I set the town aflame in 1161.Afterwards the place was settled by German traders...

Warnemünde
Warnemünde
Warnemünde is a sea resort and northmost district of Rostock in Mecklenburg-Vorpommern, situated on the Baltic Sea in the northeast of Germany at the estuary of the river Warnow.- History :...

, controlling the entry to the Rostock port, was ceded to Sweden in 1632 (Thirty Years' War
Thirty Years' War
The Thirty Years' War was fought primarily in what is now Germany, and at various points involved most countries in Europe. It was one of the most destructive conflicts in European history....

), fortified and served to raise customs until 1714
Pomerania
Duchy of Pomerania
The Duchy of Pomerania was a duchy in Pomerania on the southern coast of the Baltic Sea, ruled by dukes of the House of Pomerania ....

Stralsund
Stralsund
- Main sights :* The Brick Gothic historic centre is a UNESCO World Heritage Site.* The heart of the old town is the Old Market Square , with the Gothic Town Hall . Behind the town hall stands the imposing Nikolaikirche , built in 1270-1360...

Swedish garrison since the battle of Stralsund (1628)
Battle of Stralsund (1628)
The Siege of Stralsund was a siege laid on Stralsund by Albrecht von Wallenstein's Imperial Army during the Thirty Years' War, from May to 4 August 1628. Stralsund was aided by Denmark and Sweden, with considerable Scottish participation. The siege ended Wallenstein's series of victories, and...

 (Thirty Years' War
Thirty Years' War
The Thirty Years' War was fought primarily in what is now Germany, and at various points involved most countries in Europe. It was one of the most destructive conflicts in European history....

), remained in Swedish Pomerania
Swedish Pomerania
Swedish Pomerania was a Dominion under the Swedish Crown from 1630 to 1815, situated on what is now the Baltic coast of Germany and Poland. Following the Polish War and the Thirty Years' War, Sweden held extensive control over the lands on the southern Baltic coast, including Pomerania and parts...

 until 1815
Greifswald
Greifswald
Greifswald , officially, the University and Hanseatic City of Greifswald is a town in northeastern Germany. It is situated in the state of Mecklenburg-Vorpommern, at an equal distance of about from Germany's two largest cities, Berlin and Hamburg. The town borders the Baltic Sea, and is crossed...

nominally under Swedish military control after the Treaty of Stettin (1630)
Treaty of Stettin (1630)
The Treaty of Stettin or Alliance of Stettin was the legal framework for the occupation of the Duchy of Pomerania by the Swedish Empire during the Thirty Years' War...

, conquered in 1631 (Thirty Years' War
Thirty Years' War
The Thirty Years' War was fought primarily in what is now Germany, and at various points involved most countries in Europe. It was one of the most destructive conflicts in European history....

), remained in Swedish Pomerania
Swedish Pomerania
Swedish Pomerania was a Dominion under the Swedish Crown from 1630 to 1815, situated on what is now the Baltic coast of Germany and Poland. Following the Polish War and the Thirty Years' War, Sweden held extensive control over the lands on the southern Baltic coast, including Pomerania and parts...

 until 1815
Stettin (Szczecin) control of Oder
Oder
The Oder is a river in Central Europe. It rises in the Czech Republic and flows through western Poland, later forming of the border between Poland and Germany, part of the Oder-Neisse line...

 trade, under Swedish military control after the Treaty of Stettin (1630
Treaty of Stettin (1630)
The Treaty of Stettin or Alliance of Stettin was the legal framework for the occupation of the Duchy of Pomerania by the Swedish Empire during the Thirty Years' War...

, during the Thirty Years' War
Thirty Years' War
The Thirty Years' War was fought primarily in what is now Germany, and at various points involved most countries in Europe. It was one of the most destructive conflicts in European history....

), remained in Swedish Pomerania
Swedish Pomerania
Swedish Pomerania was a Dominion under the Swedish Crown from 1630 to 1815, situated on what is now the Baltic coast of Germany and Poland. Following the Polish War and the Thirty Years' War, Sweden held extensive control over the lands on the southern Baltic coast, including Pomerania and parts...

 until the 1720 Treaty of Stockholm (Great Northern War)
Treaty of Stockholm (Great Northern War)
With the death of Charles XII of Sweden in 1718 it was obvious that the Great Northern War was coming to a close. His successor Frederick I began negotiating the Treaty of Stockholm, which refers to the two treaties signed in 1719 and 1720 that ended the war between Sweden on one side and Hanover...

Kolberg (Kołobrzeg) most important of the relatively minor Farther Pomerania
Farther Pomerania
Farther Pomerania, Further Pomerania, Transpomerania or Eastern Pomerania , which before the German-Polish border shift of 1945 comprised the eastern part of the Duchy, later Province of Pomerania, roughly stretching from the Oder River in the West to Pomerelia in the East...

n ports, which all came under Swedish military control following the Treaty of Stettin (1630)
Treaty of Stettin (1630)
The Treaty of Stettin or Alliance of Stettin was the legal framework for the occupation of the Duchy of Pomerania by the Swedish Empire during the Thirty Years' War...

. While ceded to the Brandenburg-Prussia
Brandenburg-Prussia
Brandenburg-Prussia is the historiographic denomination for the Early Modern realm of the Brandenburgian Hohenzollerns between 1618 and 1701. Based in the Electorate of Brandenburg, the main branch of the Hohenzollern intermarried with the branch ruling the Duchy of Prussia, and secured succession...

n Province of Pomerania (1653-1815) in the Treaty of Stettin (1653)
Treaty of Stettin (1653)
The Treaty of Stettin of 4 May 1653 settled a dispute between Brandenburg and Sweden, who both claimed succession in the Duchy of Pomerania after the extinction of the local House of Pomerania during the Thirty Years' War. Brandenburg's claims were based on the Treaty of Grimnitz , while Sweden's...

, Sweden retained a share of the customs.
Prussia
Prussia (region)
Prussia is a historical region in Central Europe extending from the south-eastern coast of the Baltic Sea to the Masurian Lake District. It is now divided between Poland, Russia, and Lithuania...

Danzig (Gdańsk) controls the Vistula
Vistula
The Vistula is the longest and the most important river in Poland, at 1,047 km in length. The watershed area of the Vistula is , of which lies within Poland ....

 trade, principal port of the Polish-Lithuanian Commonwealth
Polish-Lithuanian Commonwealth
The Polish–Lithuanian Commonwealth was a dualistic state of Poland and Lithuania ruled by a common monarch. It was the largest and one of the most populous countries of 16th- and 17th‑century Europe with some and a multi-ethnic population of 11 million at its peak in the early 17th century...

 (Royal Prussia
Royal Prussia
Royal Prussia was a Region of the Kingdom of Poland and of the Polish-Lithuanian Commonwealth . Polish Prussia included Pomerelia, Chełmno Land , Malbork Voivodeship , Gdańsk , Toruń , and Elbląg . It is distinguished from Ducal Prussia...

 region). Major trading point for the Dutch merchant fleets. Swedish customs following the Truce of Altmark
Truce of Altmark
The six-year Truce of Altmark was signed on 25 September 1629 at the Altmark , near Danzig by Sweden and Polish-Lithuanian Commonwealth during Thirty Years' War, ending the Polish–Swedish War ....

 (1629). Navy destroyed.
Elbing
Elbing
Elbing is the German name of Elbląg, a city in northern Poland which until 1945 was a German city in the province of East Prussia.Elbing may also refer to:- Ships :* SMS Elbing, light cruiser of the Imperial Germany Navy...

 (Elbląg)
a port in the Polish-Lithuanian Commonwealth (Royal Prussia region). Swedish occupation and customs during and after the Polish–Swedish War (1626–1629)
Polish–Swedish War (1626–1629)
The Polish–Swedish War of 1626–1629 was the fourth stage in a series of conflicts between Sweden and Poland fought in the 17th century...

, concluded by the Truce of Altmark
Truce of Altmark
The six-year Truce of Altmark was signed on 25 September 1629 at the Altmark , near Danzig by Sweden and Polish-Lithuanian Commonwealth during Thirty Years' War, ending the Polish–Swedish War ....

 (1629). Again during the Second Northern War
Second Northern War
The Second Northern War was fought between Sweden and its adversaries the Polish–Lithuanian Commonwealth , Russia , Brandenburg-Prussia , the Habsburg Monarchy and Denmark–Norway...

, when it was also the site of a Dutch-Swedish agreement on Dutch rights in the Baltic Sea (Treaty of Elbing
Treaty of Elbing
The Treaty of Elbing was signed between the Dutch Republic and the Swedish Empire on 1 September / 11 September 1656, during the Second Northern War, in Swedish-held Elbing . It served to protect Dutch interests in the Baltic Sea, ended the Dutch intervention in the Swedish siege of Danzig, and...

, 1659). Swedish troops cleared the city in 1660, following the Treaty of Bromberg
Treaty of Bromberg
The Treaty of Bromberg or Treaty of Bydgoszcz was a treaty between John II Casimir of Poland and Elector Frederick William of Brandenburg-Prussia, ratified at Bromberg on 6 November 1657...

.
Königsberg
Königsberg
Königsberg was the capital of East Prussia from the Late Middle Ages until 1945 as well as the northernmost and easternmost German city with 286,666 inhabitants . Due to the multicultural society in and around the city, there are several local names for it...

 (Królewiec, Kaliningrad)
a port of the Duchy of Prussia, vassal of the Commonwealth. Swedish customs following the Truce of Altmark
Truce of Altmark
The six-year Truce of Altmark was signed on 25 September 1629 at the Altmark , near Danzig by Sweden and Polish-Lithuanian Commonwealth during Thirty Years' War, ending the Polish–Swedish War ....

 (1629), Swedish vassalage of the Duchy of Prussia by the Treaty of Königsberg (1656)
Treaty of Königsberg (1656)
The Treaty of Königsberg was concluded on 7 January / 17 January 1656 during the Second Northern War. Frederick William I, the "Great Elector" of Brandenburg and duke of Prussia, was forced to join the Swedish camp and became a Swedish vassal for the Duchy of Prussia and Ermland...

, succeeded by the Prusso-Swedish alliance of Marienburg
Treaty of Marienburg
The treaty of Marienburg, concluded on 29 June 1656, was a Brandenburg-Prussian – Swedish alliance during the Second Northern War.In January 1656, Charles X Gustav of Sweden had made Frederick William I, Elector of Brandenburg, his vassal for the Duchy of Prussia...

 and its break-up in the Treaty of Bromberg
Treaty of Bromberg
The Treaty of Bromberg or Treaty of Bydgoszcz was a treaty between John II Casimir of Poland and Elector Frederick William of Brandenburg-Prussia, ratified at Bromberg on 6 November 1657...

, all during the Second Northern War
Second Northern War
The Second Northern War was fought between Sweden and its adversaries the Polish–Lithuanian Commonwealth , Russia , Brandenburg-Prussia , the Habsburg Monarchy and Denmark–Norway...

Pillau (Piława, Baltisk) a port of the Duchy of Prussia, vassal of the Commonwealth. Swedish occupation and customs during and after the Polish–Swedish War (1626–1629)
Polish–Swedish War (1626–1629)
The Polish–Swedish War of 1626–1629 was the fourth stage in a series of conflicts between Sweden and Poland fought in the 17th century...

, concluded by the Truce of Altmark
Truce of Altmark
The six-year Truce of Altmark was signed on 25 September 1629 at the Altmark , near Danzig by Sweden and Polish-Lithuanian Commonwealth during Thirty Years' War, ending the Polish–Swedish War ....

 (1629), Swedish vassalage of the Duchy of Prussia by the Treaty of Königsberg (1656)
Treaty of Königsberg (1656)
The Treaty of Königsberg was concluded on 7 January / 17 January 1656 during the Second Northern War. Frederick William I, the "Great Elector" of Brandenburg and duke of Prussia, was forced to join the Swedish camp and became a Swedish vassal for the Duchy of Prussia and Ermland...

, succeeded by the Prusso-Swedish alliance of Marienburg
Treaty of Marienburg
The treaty of Marienburg, concluded on 29 June 1656, was a Brandenburg-Prussian – Swedish alliance during the Second Northern War.In January 1656, Charles X Gustav of Sweden had made Frederick William I, Elector of Brandenburg, his vassal for the Duchy of Prussia...

 and its break-up in the Treaty of Bromberg
Treaty of Bromberg
The Treaty of Bromberg or Treaty of Bydgoszcz was a treaty between John II Casimir of Poland and Elector Frederick William of Brandenburg-Prussia, ratified at Bromberg on 6 November 1657...

, all during the Second Northern War
Second Northern War
The Second Northern War was fought between Sweden and its adversaries the Polish–Lithuanian Commonwealth , Russia , Brandenburg-Prussia , the Habsburg Monarchy and Denmark–Norway...

Livonia
Swedish Livonia
- Swedish infantry and cavalry regiments:Infantry regiments:* Garnisonsregementet i Riga * Guvenörsregementet i Riga * Livländsk infanteribataljon I...

Riga
Riga
Riga is the capital and largest city of Latvia. With 702,891 inhabitants Riga is the largest city of the Baltic states, one of the largest cities in Northern Europe and home to more than one third of Latvia's population. The city is an important seaport and a major industrial, commercial,...

controls the Düna (Daugava) trade (Livonian hinterland and Russia). Under Commonwealth control till Swedish conquest in 1621, remained in Swedish Livonia
Swedish Livonia
- Swedish infantry and cavalry regiments:Infantry regiments:* Garnisonsregementet i Riga * Guvenörsregementet i Riga * Livländsk infanteribataljon I...

 until the capitulation of Estonia and Livonia
Capitulation of Estonia and Livonia
With the Capitulation of Estonia and Livonia in 1710 the Swedish dominions Estonia and Livonia were integrated into the Russian Empire following their conquest during the Great Northern War...

 in 1710, formalized in the Treaty of Nystad
Treaty of Nystad
The Treaty of Nystad was the last peace treaty of the Great Northern War. It was concluded between the Tsardom of Russia and Swedish Empire on 30 August / 10 September 1721 in the then Swedish town of Nystad , after Sweden had settled with the other parties in Stockholm and Frederiksborg.During...

 in 1721.
Pernau
Pärnu
Pärnu is a city in southwestern Estonia on the coast of Pärnu Bay, an inlet of the Gulf of Riga in the Baltic Sea. It is a popular summer vacation resort with many hotels, restaurants, and large beaches. The Pärnu River flows through the city and drains into the Gulf of Riga...

 (Pärnu)
under Commonwealth control till 1617; in Swedish Livonia
Swedish Livonia
- Swedish infantry and cavalry regiments:Infantry regiments:* Garnisonsregementet i Riga * Guvenörsregementet i Riga * Livländsk infanteribataljon I...

 until the capitulation of Estonia and Livonia
Capitulation of Estonia and Livonia
With the Capitulation of Estonia and Livonia in 1710 the Swedish dominions Estonia and Livonia were integrated into the Russian Empire following their conquest during the Great Northern War...

 in 1710, formalized in the Treaty of Nystad
Treaty of Nystad
The Treaty of Nystad was the last peace treaty of the Great Northern War. It was concluded between the Tsardom of Russia and Swedish Empire on 30 August / 10 September 1721 in the then Swedish town of Nystad , after Sweden had settled with the other parties in Stockholm and Frederiksborg.During...

 in 1721.
Estonia
Swedish Estonia
The Duchy of Estonia , also known as Swedish Estonia, was a dominion of the Swedish Empire from 1561 until 1721, when it was ceded to Russia in the Treaty of Nystad, following its capitulation in the Great Northern War. The dominion arose when the northern parts of present-day Estonia were united...

 and Ingermanland
Reval
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...

 (Tallinn)
subordinated itself to Sweden in 1561 (Livonian War
Livonian War
The Livonian War was fought for control of Old Livonia in the territory of present-day Estonia and Latvia when the Tsardom of Russia faced a varying coalition of Denmark–Norway, the Kingdom of Sweden, the Union of the Grand Duchy of Lithuania and the Kingdom of Poland.During the period 1558–1578,...

), remained in Swedish Estonia
Swedish Estonia
The Duchy of Estonia , also known as Swedish Estonia, was a dominion of the Swedish Empire from 1561 until 1721, when it was ceded to Russia in the Treaty of Nystad, following its capitulation in the Great Northern War. The dominion arose when the northern parts of present-day Estonia were united...

 until the capitulation of Estonia and Livonia
Capitulation of Estonia and Livonia
With the Capitulation of Estonia and Livonia in 1710 the Swedish dominions Estonia and Livonia were integrated into the Russian Empire following their conquest during the Great Northern War...

 in 1710, formalized in the Treaty of Nystad
Treaty of Nystad
The Treaty of Nystad was the last peace treaty of the Great Northern War. It was concluded between the Tsardom of Russia and Swedish Empire on 30 August / 10 September 1721 in the then Swedish town of Nystad , after Sweden had settled with the other parties in Stockholm and Frederiksborg.During...

 in 1721.
Narva
Narva
Narva is the third largest city in Estonia. It is located at the eastern extreme point of Estonia, by the Russian border, on the Narva River which drains Lake Peipus.-Early history:...

important hub for Russian trade. Russian control from 1558 to 1581, Swedish afterward, retaken by the Russians in 1704
Islands Notes
Gotland
Gotland
Gotland is a county, province, municipality and diocese of Sweden; it is Sweden's largest island and the largest island in the Baltic Sea. At 3,140 square kilometers in area, the region makes up less than one percent of Sweden's total land area...

 (Gothland)
ceded to Sweden by Denmark in the Second Treaty of Brömsebro (1645), after the Torstenson War
Ösel
Saaremaa
Saaremaa is the largest island in Estonia, measuring 2,673 km². The main island of Saare County, it is located in the Baltic Sea, south of Hiiumaa island, and belongs to the West Estonian Archipelago...

 (Øsel, Saaremaa)
ceded to Sweden by Denmark in the Second Treaty of Brömsebro (1645), after the Torstenson War
Bornholm
Bornholm
Bornholm is a Danish island in the Baltic Sea located to the east of the rest of Denmark, the south of Sweden, and the north of Poland. The main industries on the island include fishing, arts and crafts like glass making and pottery using locally worked clay, and dairy farming. Tourism is...

temporarily conquered by Sweden in 1645 (Torstenson War), ceded to Sweden by Denmark in the Treaty of Roskilde
Treaty of Roskilde
The Treaty of Roskilde was concluded on 26 February or 8 March 1658 during the Second Northern War between Frederick III of Denmark–Norway and Charles X Gustav of Sweden in the Danish city of Roskilde...

 (1658), during the Second Northern War
Second Northern War
The Second Northern War was fought between Sweden and its adversaries the Polish–Lithuanian Commonwealth , Russia , Brandenburg-Prussia , the Habsburg Monarchy and Denmark–Norway...

, restored to Denmark by the Treaty of Copenhagen (1660)
Rügen
Rügen
Rügen is Germany's largest island. Located in the Baltic Sea, it is part of the Vorpommern-Rügen district of Mecklenburg-Vorpommern.- Geography :Rügen is located off the north-eastern coast of Germany in the Baltic Sea...

 (Rygen, Rugen)
under Swedish military control after the Treaty of Stettin (1630)
Treaty of Stettin (1630)
The Treaty of Stettin or Alliance of Stettin was the legal framework for the occupation of the Duchy of Pomerania by the Swedish Empire during the Thirty Years' War...

 (Thirty Years' War
Thirty Years' War
The Thirty Years' War was fought primarily in what is now Germany, and at various points involved most countries in Europe. It was one of the most destructive conflicts in European history....

), remained in Swedish Pomerania
Swedish Pomerania
Swedish Pomerania was a Dominion under the Swedish Crown from 1630 to 1815, situated on what is now the Baltic coast of Germany and Poland. Following the Polish War and the Thirty Years' War, Sweden held extensive control over the lands on the southern Baltic coast, including Pomerania and parts...

 until 1815
Straits Notes
Öresund
Oresund
The Sound , is the strait that separates the Danish island Zealand from the southern Swedish province of Scania. Its width is just at the narrowest point between Helsingør, Denmark, and Helsingborg, Sweden...

 (Øresund, "The Sound")
entrance to the Baltic Sea, both coasts under Danish control until 1658, Sweden exempted from the Danish Sound Dues
Sound Dues
The Sound Dues were a toll on the use of the Sound which constituted up to two thirds of Denmark's state income in the 16th and 17th centuries...

 after the Second Treaty of Brömsebro (1645) (Torstenson War), eastern coast Swedish since the Treaty of Roskilde
Treaty of Roskilde
The Treaty of Roskilde was concluded on 26 February or 8 March 1658 during the Second Northern War between Frederick III of Denmark–Norway and Charles X Gustav of Sweden in the Danish city of Roskilde...

 (1658, see Scania entry)

Aftermath

The failure of the Scandinavian powers to take control of the Baltic, and steadfast refusal of other powers – local and international – to recognize their claims, is seen as one of the factors that led to the development of the "freedom of the seas
Freedom of the seas
Freedom of the seas is a principle in the international law and law of the sea. It stresses freedom to navigate the oceans. It also disapproves of war fought in water. The freedom is to be breached only in a necessary international agreement....

" principle in the international law
International law
Public international law concerns the structure and conduct of sovereign states; analogous entities, such as the Holy See; and intergovernmental organizations. To a lesser degree, international law also may affect multinational corporations and individuals, an impact increasingly evolving beyond...

.

Further reading

  • Asche et al.: Die baltischen Lande im Zeitalter der Reformation und Konfessionalisierung, vol. I, 2009, p. 39.
  • Pineschi & Treves: The law of the sea. The European Union and its member states, 1997, p. 513.
  • Schilling: Konfessionalisierung und Staatsinteressen. Internationale Beziehungen 1559–1660, 2007, pp. 308 ff.
  • Troebst: Handelskontrolle, "Derivation", Eindämmerung. Schwedische Moskaupolitik 1617–1661, 1997, p. 304.
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