Cap Badge - 4th Canadian Mounted Rifles, Toronto The 4th Battalion, Canadian Mounted Rifles was authorized on 7 November 1914 as the 4th Regiment, Canadian Mounted Rifles, CEF and embarked for Britain on 18 July 1915. It disembarked in France on 24 October 1915, where it fought as part of the 2nd Brigade Canadian Mounted Rifles until 31 December 1915, when it was converted to infantry and allocated to the 8th Infantry Brigade, 3rd Canadian Division. The regiment was redesignated the 4th Battalion, Canadian Mounted Rifles, CEF on 1 January 1916 and was disbanded on 6 November 1920.