The 40th Division was originally formed as a Kitchener's Army 'Bantam' division between September and December 1915 for service in the First World War. 'Bantam' personnel were those who were under the Army regulation height but otherwise fit for service. It comprised the 119th, 120th, and 121st Brigades. The 40th Division moved to the Western Front in June 1916 and served there throughout the First World War.
