The following units of the German First Army and British Expeditionary Force fought in the Battle of Mons

Battle of Mons

The Battle of Mons was the first major action of the British Expeditionary Force in the First World War. It was a subsidiary action of the Battle of the Frontiers, in which the Allies clashed with Germany on the French borders. At Mons, the British army attempted to hold the line of the...

 in World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

.

II Army Corps

II Corps (German Empire)

The II Army Corps was a unit of the Imperial German Army that was stationed in Stettin. At the outbreak of World War I, the corps served on the Western Front.In 1914, the component units of the corps were:*3rd Division*4th Division...

30th Aviation Battalion

15th Foot Artillery Regiment (heavy)

3rd Infantry Division

3rd Division (German Empire)

The 3rd Division was a unit of the Prussian/German Army. It was formed in Stettin in May 1816 as a Troop Brigade . It became the 3rd Division on September 5, 1818. From the corps' formation in 1820, the division was subordinated in peacetime to the II Army Corps...

3rd Artillery Brigade

3rd Horse Grenadiers

5th Infantry Brigade

2nd Grenadier Regiment

9th Grenadier Regiment

6th Infantry Brigade

34th Fusilier Regiment

42nd Infantry Regiment

4th Infantry Division

4th Division (German Empire)

The 4th Division was a unit of the Prussian/German Army. It was formed in Torgau on September 5, 1818. The headquarters moved to Stargard in 1820, where it stayed until 1852. In 1852, the headquarters moved to its final destination, Bromberg...

4th Artillery Brigade

12th Dragoons

7th Infantry Brigade

14th Infantry Regiment

149th Infantry Regiment

8th Infantry Brigade

49th Infantry Regiment

140th Infantry Regiment

III Army Corps

III Corps (German Empire)

The III Army Corps was a formation in the Imperial German Army. It was established in 1814 as the General Headquarters in Berlin and became the III Army Corps on April 3, 1820...

7th Aviation Battalion

2nd Guard Foot Artillery (heavy)

3rd Hussars

5th Infantry Division

5th Division (German Empire)

The 5th Division was a unit of the Prussian/German Army. It was formed in Crossen in 1816 as a brigade, moved to Frankfurt an der Oder in 1817, and became the 5th Division on September 5, 1818. The headquarters moved to Berlin in 1840 and back to Frankfurt in 1845. The division was subordinated...

5th Artillery Brigade

9th Infantry Brigade

8th Leib Grenadier Regiment

48th Infantry Regiment

10th Infantry Brigade

12th Grenadier Regiment

52nd Infantry Regiment

6th Infantry Division

6th Division (German Empire)

The 6th Division was a unit of the Prussian/German Army. It was formed in Düsseldorf in 1816 as a brigade and became the 6th Division on September 5, 1818. The headquarters moved to Torgau in 1820 and then to Brandenburg in 1850. The division was subordinated in peacetime to the III Army Corps...

6th Artillery Brigade

11th Infantry Brigade

20th Infantry Regiment

35th Fusilier Regiment

12th Infantry Brigade

24th Infantry Regiment

64th Infantry Regiment

3rd Jaeger Battalion

IV Army Corps

IV Corps (German Empire)

The IV Army Corps was a formation of the Imperial German Army. It was established on October 3, 1815 as the General Command in the Duchy of Saxony and became the IV Army Corps on August 30, 1818...

9th Aviation Battalion

4th Foot Artillery Regiment (heavy)

10th Hussars

7th Infantry Division

7th Division (German Empire)

The 7th Division was a unit of the Prussian/German Army. It was formed in Magdeburg in November 1816 as a brigade and became a division on September 5, 1818. The division was subordinated in peacetime to the IV Army Corps . The division was disbanded in 1919 during the demobilization of the...

7th Artillery Brigade

13th Infantry Brigade

26th Infantry Regiment

66th Infantry Regiment

14th Infantry Brigade

27th Infantry Regiment

165th Infantry Regiment

8th Infantry Division

8th Division (German Empire)

The 8th Division was a unit of the Prussian/German Army. It was formed in Erfurt in November 1816 as a brigade and became a division on September 5, 1818. The division was subordinated in peacetime to the IV Army Corps . The division was disbanded in 1919 during the demobilization of the German...

8th Artillery Brigade

15th Infantry Brigade

36th Fusilier Regiment

93rd Infantry Regiment

16th Infantry Brigade

72nd Infantry Regiment

153rd Infantry Regiment

4th Jaeger Battalion

IX Army Corps

9th Aviation Battalion

20th Foot Artillery Regiment (heavy)

16th Dragoons

17th Infantry Division

17th Division (German Empire)

The 17th Division was a unit of the Prussian/German Army. It was formed on October 11, 1866 and initially headquartered in Kiel. It moved its headquarters to Schwerin in 1871. The division was subordinated in peacetime to the IX Army Corps...

17th Artillery Brigade

33rd Infantry Brigade

75th Infantry Regiment

76th Infantry Regiment

34th Infantry Brigade

89th Grenadier Regiment

90th Fusilier Regiment

9th Jaeger Battalion

18th Infantry Division

18th Division (German Empire)

The 18th Division was a unit of the Prussian/German Army. It was formed on October 11, 1866 and was headquartered in Flensburg. The division was subordinated in peacetime to the IX Army Corps . The division was disbanded in 1919 during the demobilization of the German Army after World War I...

18th Artillery Brigade

35th Infantry Brigade

84th Infantry Regiment

86th Fusilier Regiment

36th Infantry Brigade

31st Infantry Regiment

85th Infantry Regiment

III Reserve Corps

Composite Cavalry Unit (3 squadrons each from 2nd Reserve Dragoon Regiment and 3rd Reserve Uhlan Regiment

5th Reserve Division

5th Reserve Division (German Empire)

The 5th Reserve Division was a unit of the German Army, in World War I. The division was formed on mobilization of the German Army in August 1914. The division was disbanded in 1919 during the demobilization of the German Army after World War I...

6 batteries, 6th Reserve Field Artillery Regiment

9th Reserve Infantry Brigade

8th Reserve Infantry Regiment

48th Reserve Infantry Regiment

10th Reserve Infantry Brigade

12th Reserve Infantry Regiment

52nd Reserve Infantry Regiment

6th Reserve Division

6th Reserve Division (German Empire)

The 6th Reserve Division was a unit of the German Army, in World War I. The division was formed on mobilization of the German Army in August 1914. The division was disbanded in September 1918...

6 batteries, 6th Reserve Field Artillery Regiment

11th Reserve Infantry Brigade

20th Reserve Infantry Regiment

24th Reserve Infantry Regiment

12the Reserve Infantry Brigade

26th Reserve Infantry Regiment

35th Reserve Infantry Regiment

IV Reserve Corps

Composite Cavalry Unit (3 squadrons each from Reserve Heavy Cavalry Regiment and Reserve Jaeger zu Pferd)

7th Reserve Division

7th Reserve Division (German Empire)

The 7th Reserve Division was a unit of the German Army, in World War I. The division was formed on mobilization of the German Army in August 1914. The division was disbanded during the demobilization of the German Army after World War I...

6 batteries of 7th Field Artillery Regiment

13th Reserve Brigade

27th Reserve Infantry Regiment

36th Reserve Infantry Regiment

14th Reserve Brigade

66th Reserve Infantry Regiment

72nd Reserve Infantry Regiment

4th Reserve Jaeger Battalion

22nd Reserve Division

22nd Reserve Division (German Empire)

The 22nd Reserve Division was a unit of the German Army in World War I. The division was formed on mobilization of the German Army in August 1914...

6 batteries of 22nd Reserve Field Artillery Regiment

43rd Reserve Infantry Brigade

71st Reserve Infantry Regiment

94th Reserve Infantry Regiment

11th Reserve Jaeger Battalion

44th Reserve Infantry Brigade

32nd Reserve Infantry Regiment

82nd Reserve Infantry Regiment

10th Mixed Landwehr Brigade

12th Landwehr Infantry Regiment

52nd Landwehr Infantry Regiment

11th Mixed Landwehr Brigade

20th Landwehr Infantry Regiment

35th Landwehr Infantry Regiment

27th Landwehr Brigade

53rd Landwehr Infantry Regiment

55th Landwehr Infantry Regiment

Composite Landwehr Cavalry Unit (3 squadrons)
Composite Lansturm Artillery Unit (2 batteries)

Army Troops

12th Aviation Battalion

British Expeditionary Force (French

John French, 1st Earl of Ypres

Field Marshal John Denton Pinkstone French, 1st Earl of Ypres, KP, GCB, OM, GCVO, KCMG, ADC, PC , known as The Viscount French between 1916 and 1922, was a British and Anglo-Irish officer...

)

The Cavalry Division (Allenby

Edmund Allenby, 1st Viscount Allenby

Field Marshal Edmund Henry Hynman Allenby, 1st Viscount Allenby GCB, GCMG, GCVO was a British soldier and administrator most famous for his role during the First World War, in which he led the Egyptian Expeditionary Force in the conquest of Palestine and Syria in 1917 and 1918.Allenby, nicknamed...

)

1st Brigade

2nd Dragoon Guards

5th Dragoon Guards

11th Hussars

2nd Brigade

4th Dragoon Guards

9th Lancers

19th Hussars

3rd Brigade

4th Hussars

5th Lancers

16th Lancers

4th Brigade

6th Dragoon Guards

3rd Hussars

Composite Regiment of Household Cavalry

5th Brigade

2nd Dragoons

12th Lancers

20th Hussars

III Brigade Royal Horse Artillery

'D' Battery

'E' Battery

VIII Brigade Royal Horse Artillery

'I' Battery

'L' Battery

I Corps (Haig

Douglas Haig, 1st Earl Haig

Field Marshal Douglas Haig, 1st Earl Haig, KT, GCB, OM, GCVO, KCIE, ADC, was a British senior officer during World War I. He commanded the British Expeditionary Force from 1915 to the end of the War...

)

1st Division (Lomax

Samuel Lomax

Lieutenant General Samuel Holt Lomax was a senior and highly respected British general who served in the opening months of World War I and was the first British Lieutenant Generals to be killed on active service during the entire war.-Military service:Born in August 1855 to Thomas and Mary Helen...

)

1st Guards Brigade

1st Coldstream Guards

1st Scots Guards

1st Black Watch

2nd Royal Munster Fusiliers

2nd Infantry Brigade

2nd Royal Sussex

1st Loyal North Lancashire

1st Northamptonshire

2nd The Kings Royal Rifle Corps

3rd Infantry Brigade

1st Royal West Surrey

1st South Wales Borderers

1st Gloucestershire

2nd Welsh

XXV Brigade Royal Field Artillery

113th Battery

114th Battery

115th Battery

XXVI Brigade Royal Field Artillery

116th Battery

117th Battery

118th Battery

XXXIX Brigade Royal Field Artillery

46th Battery

51st Battery

54th Battery

XLIII (Howitzer) Royal Field Artillery

30th (howitzer) Battery

40th (howitzer) Battery

57th (howitzer) Battery

26th Heavy Battery Royal Garrison Artillery

2nd Division (Monro

Charles Carmichael Monro

General Sir Charles Carmichael Monro, 1st Baronet of Bearcrofts, GCB, GCSI, GCMG, was a British Army General during World War I and Governor of Gibraltar from 1923 to 1929.-Military career:...

)

4th Guards Brigade

2nd Grenadier Guards

2nd Coldstream Guards

3rd Coldstream Guards

1st Irish Guards

5th Infantry Brigade

2nd Worcestershire

2nd Oxfordshire and Buckinghamshire Light Infantry

2nd Highland Light Infantry

2nd Connaught Rangers

6th Infantry Brigade

1st Liverpool

2nd South Staffordshire

1st Royal Berkshire

1st Kings Royal Rifle Corps

XXXIV Brigade Royal Field Artillery

22nd Battery

50th Battery

70th Battery

XXXVI Brigade Royal Field Artillery

15th Battery

48th Battery

71st Battery

XLI Brigade Royal Field Artillery

9th Battery

16th Battery

17th Battery

XLIV (Howitzer) Brigade Royal Field Artillery

47th (howitzer) Battery

56th (howitzer) Battery

60th (howitzer) Battery

35th Heavy Battery Royal Garrison Artillery

II Corps (Smith-Dorrien

Horace Smith-Dorrien

General Sir Horace Lockwood Smith-Dorrien GCB, GCMG, DSO, ADC was a British soldier and commander of the British II Corps and Second Army of the BEF during World War I.-Early life and career:...

)

3rd Division (Hamilton

Hubert Hamilton

Major General Hubert Ion Wetherall Hamilton CB, CVO, DSO was a senior British general who served with distinction throughout his career, seeing battle in the Mahdist War in Egypt and the Second Boer War in South Africa, before being given command of the British Third Division at the outbreak of...

)

7th Infantry Brigade

3rd Worcestershire

2nd South Lancashire

1st Duke of Edinburgh’s

2nd Royal Irish Rifles

8th Infantry Brigade

2nd Royal Scots

2nd Royal Irish

4th Duke of Cambridge’s Own

1st Gordon Highlanders

9th Infantry Brigade

1st Northumberland Fusiliers

4th Royal Fusiliers

1st Lincolnshire

1st Royal Scots Fusiliers

XXIII Brigade Royal Field Artillery

107th Battery

108th Battery

109th Battery

XL Brigade Royal Field Artillery

6th Battery

23rd Battery

49th Battery

XLII Brigade Royal Field Artillery

29th Battery

41st Battery

75th Battery

XXX (Howitzer) Brigade Royal Field Artillery

128th (howitzer) Battery

129th (howitzer) Battery

130th (howitzer) Battery

48th Heavy Battery Royal Garrison Artillery

5th Division (Fergusson)

13th Infantry Brigade

2nd Kings Own Scottish Borderers

2nd Duke of Wellington’s Own

1st Royal West Kent

2nd Yorkshire Light Infantry

14th Infantry Brigade

2nd Suffolk

1st East Surrey

1st Duke of Cornwall’s Light Infantry

2nd Manchester

15th Infantry Brigade

1st Norfolk

1st Bedfordshire

1st Cheshire

1st Dorsetshire

XV Brigade Royal Field Artillery

11th Battery

52nd Battery

81st Battery

XXVII Brigade Royal Field Artillery

119th Battery

120th Battery

121st Battery

XXVII Brigade Royal Field Artillery

122nd Battery

123rd Battery

124th Battery

VIII (Howitzer) Brigade Royal Field Artillery

37th (howitzer) Battery

61st (howitzer) Battery

65th (howitzer) Battery

108th Heavy Battery Royal Garrison Artillery

Army Troops

A and C Squadrons North Irish Horse

B Squadron South Irish Horse

1st Queens Own Cameron Highlanders

Line of communications defense troops

1st Devonshire

19th Infantry Brigade (formed August 22nd, 1914)

2nd Royal Welsh Fusiliers

1st Cameronians

1st Duke of Cambridge’s Own

2nd Argyll and Sutherland Highlanders

Royal Flying Corps in the Field (Henderson)

2nd Aeroplane Squadron

No. 2 Squadron RAF

No. 2 Squadron of the Royal Air Force is currently one of two RAF squadrons operating in the reconnaissance role with the Tornado GR4A and GR4 and is based at RAF Marham, Norfolk.No. II Squadron holds claim to being "the oldest heavier-than-air flying machine squadron in the world", along with No...

 (Burke

Charles Burke (British Army officer)

Lieutenant-Colonel Charles James Burke DSO was an officer in the Royal Irish Regiment and the Royal Flying Corps and a military aviation pioneer....

)

3rd Aeroplane Squadron

No. 3 Squadron RAF

No 3 Squadron of the Royal Air Force operates the Typhoon F2, FGR4 and T3 from RAF Coningsby, Lincolnshire.No 3 Squadron, which celebrated its 95th anniversary over the weekend of 11-13 May 2007, is unique in the RAF for having two official crests....

 (Salmond

John Salmond

Marshal of the Royal Air Force Sir John Maitland Salmond, GCB, CMG, CVO, DSO and Bar was a British military officer who rose to high rank in the Royal Flying Corps during World War I...

)

4th Aeroplane Squadron (Raleigh)

5th Aeroplane Squadron

No. 5 Squadron RAF

No. 5 Squadron of the Royal Air Force is the operator of the new Sentinel R1 Airborne STand-Off Radar aircraft and is based at RAF Waddington.-History:As No...

 (Higgins

John Frederick Andrews Higgins

Air Marshal Sir John Frederick Andrews Higgins KCB, KBE, DSO, AFC, RAF was a senior officer in the Royal Flying Corps and a senior commander in the Royal Air Force in the first half of the 20th century.-RAF career:...

)

1st Aircraft Park

Sources

• Bell, Ron. “The Old Contemptibles.” Strategy & Tactics, Number 228 (May/June 2005).
• Terraine, John. Mons, The Retreat to Victory. Wordsworth. pp. 200 - 202