15th (The King's) Hussars August 1914 : at Longmoor. 18 August 1914 : landed at Rouen and soon split up to provide Squadrons for Divisions: A Sqn to 3rd Division; B Sqn to 2nd Division; C Sqn to 1st Division. 14 April 1915 : Squadrons returned and regiment reformed. Placed under command of 9th Cavalry Brigade in 1st Cavalry Division.