The following Territorial Force Battalion of the Royal Sussex Regiment spent time in Bedford:
1/4th Battalion August 1914 in Horsham, attached to Home Counties
Division. April 1915 transferred to the 160th (Welsh Border) Brigade in the 53rd (Welsh) Division and moved to Cambridge. May 1915 moved on to Bedford. Left Bedford in July 1915 for Gallipoli. Landed at Suvla Bay, Gallipoli, on 9 August 1915. May 1918 left the Division and moved to France. June 1918 came under command of 101st Brigade in 34th Division, absorbing cadre of the 13th Battalion in August 1918.
(The following Territorial Force Battalion of the Royal Sussex Regiment also spent time in Bedford:
15th Battalion January 1917 formed at Burnham, Somerset, from what had previously been the 70th Provisional Battalion (East Surrey) of the 10th Provisional Brigade formed in June 1915 from ‘Home Service only’ personnel. From November 1916 came under orders of the 215th Brigade of the 72nd Division. By January 1917 was in Bedford (with the 13th Battalion of the Lincolnshire Regiment and the 18th Battalion of the Royal Warwickshire Regiment). May 1917 moved to Ipswich. March 1918 disbanded in the Cambridge area.)