21st Division (United Kingdom)
| 21st Division | |
|---|---|
 |
|
| Active | September 1914–May 1919 |
| Country |
 United Kingdom
|
| Branch |
 British Army
|
| Type | Infantry |
| Size | Division |
| Engagements | |
The 21st Division was an infantry division of the British Army during World War I, raised in September 1914 by men volunteering for Lord Kitchener's New Armies. The division moved to France in September 1915 and served on the Western Front for the duration of the First World War.
The division's insignia was the "triple-seven".
The Division was the first of the six created for the Third New Army on 13 September 1914. The division suffered 55,581 killed, wounded and missing, being the highest number of casualties suffered by any New Army division. The Division ceased to exist on 19 May 1919.
In July 1916 the brigade moved to the 37th Division, swapping with the 110th Brigade.
In July 1916 the brigade joined from the 37th Division, swapping with the 63rd Brigade.
The division took part in the Battle of Loos, Battle of the Somme, Battle of Arras, Battle of Passchendaele and Battle of Cambrai.
During its existence, 21st Division had the following commanders:
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