Battle of Mons order of battle
The following units of the German First Army and British Expeditionary Force fought in the Battle of Mons in World War I.
German First Army
First Army, commanded by Generaloberst Alexander von Kluck[II [Corps (German Empire)|II Army Corps]]
3rd Infantry Division'''4th Infantry Division'''
III Army Corps">III Corps (German Empire)">III Army Corps
5th Infantry Division'''6th Infantry Division'''
IV Army Corps">IV Corps (German Empire)">IV Army Corps
7th Infantry Division'''8th Infantry Division'''
IX Army Corps">IX Corps (German Empire)">IX Army Corps
17th Infantry Division'''18th Infantry Division'''
III Reserve Corps">III Reserve Corps (German Empire)">III Reserve Corps
5th Reserve Division'''6th Reserve Division'''
IV Reserve Corps">IV Reserve Corps (German Empire)">IV Reserve Corps
7th Reserve Division22nd Reserve Division
10th Mixed Landwehr Brigade
11th Mixed Landwehr Brigade
27th Landwehr Brigade
Composite Landwehr Cavalry Unit
Composite Lansturm Artillery Unit
Army Troops
British Expeditionary Force
British Expeditionary Force, commanded by Field Marshal Sir John FrenchArmy Troops
'''Line of communications defence troops'''
I Corps
I Corps, commanded by Lieutenant-General Douglas Haig1st Division
2nd Division
RAMC
5th Field Ambulance
II Corps
II Corps, commanded by General Horace Smith-Dorrien3rd Division
'''5th Division '''