21st Division (United Kingdom)
Division · United Kingdom
Fought in World War I Wikipedia
Movements
- September 25 – October 14, 1915 Battle of Loos
- July 1 – November 18, 1916 Battle of the Somme
- April 9 – May 16, 1917 Battle of Arras (1917)
- July 31 – November 10, 1917 Battle of Passchendaele
- November 20 – December 7, 1917 Battle of Cambrai (1917)