1/5th Battalion August 1914 : in Warrington. Part of South Lancashire Brigade in West Lancashire Division. 13 February 1915 : left the Brigade and landed at Le Havre. Attached on arrival to 12th Brigade in 4th Division. 4 November 1915 : Brigade was attached to 36th (Ulster) Division. 6 January 1916 : transferred to 166th Brigade in 55th (West Lancashire) Division.