Cap Badge - 10th Canadian Mounted Rifles, CEF Portage La Prairie, Manitoba The 10th Regiment, Canadian Mounted Rifles was authorized on 7 November 1914. The unit was raised on March 15, 1915 in Regina and Portage La Prairie from the 22nd Saskatchewan Light Horse. It embarked for Great Britain on 28 April 1916. Its personnel were absorbed by the Canadian Cavalry Reserve Depot, CEF on 22 May 1916. The regiment was disbanded on 17 July 1917.