December 1915, when it converted to infantry and was allocated to the 8th Infantry Brigade, 3rd Canadian Division. The regiment was re-designated as the 4th Battalion, Canadian Mounted Rifles, CEF on 1 January 1916. The battalion disbanded on 6 November 1920. The Battalion had 4,693 serve in its ranks and lost 839 soldiers killed and 1,540 wounded in the field. The 7th Canadian Mounted Rifles was authorized on 7 November 1914. The regiment was broken-up in Canada, and supplied the 2nd Canadian Divisional Cavalry Squadron (perpetuated by the 1st Hussars) and two squadrons formed the Canadian Mounted Rifles Depot in England. The regiment disbanded on 11 April 1918. The Battalion did not serve in the Trenches. The 216th Battalion (Bantams), CEF was authorized on 15 July 1916 and embarked for Britain on 18 April 1917. There, its personnel were absorbed by the 3rd Reserve Battalion, CEF on 5 May 1917 to provide reinforcements to the Canadian Corps in the field. The battalion disbanded on 1 September 1917.29 World War II Details from the regiment were called out on service on 26 August 1939 and on active service on 1 September 1939 as The Governor General's Horse Guards, CASF (Details), for local protection duties. Those details called out on active service disbanded on 31 December 1940. Subsequently, the regiment mobilized as the 2nd Canadian Motorcycle Regiment, CASF (GGHG) for active service on 24 May 1940. It converted to armour and was redesignated as The Governor General's Horse Guards, CASF on 9 February 1941; as the 3rd Armoured Regiment (The Governor General's Horse Guards), CASF on 11 February 1941; as the 3rd Armoured Reconnaissance Regiment (The Governor General's Horse Guards), CAC, CASF on 1 January 1943; and as the 3rd Armoured Reconnaissance Regiment (The Governor General's Horse Guards), RCAC, CASF on 2 August 1945. It embarked for Britain on 9 October 1941 and landed in Italy on 19 December 1943 as part of the 5th Armoured Brigade, 5th Canadian Armoured Division. On 20 February 1945 the regiment moved with the I Canadian Corps to North-West Europe as part of OPERATION GOLDFLAKE, where it continued to fight until the end of the war. The overseas regiment disbanded on 31 January 1946. The Regiment lost 71 Killed and 210 wounded in the war. UN and NATO Missions The Regiment has augmented many Regular Force UN missions to include Korea, Egypt, Cyprus and Bosnia. NATO