The 4th Battalion, Canadian Mounted Rifles CEF was authorized on 7 November 1914 and embarked for Brionverted to infantry and was allocated to the 8th Infantry Brigade, 3rd Canadian Divisionregiment was redesignated as the 4th Battalion, Canadian Mounted Rifles, CEF on 1 January 1916.
The 4th Battalion, Canadian Mounted Rifles CEF was authorized on 7 November 1914 and embarked for Brionverted to infantry and was allocated to the 8th Infantry Brigade, 3rd Canadian Divisionregiment was redesignated as the 4th Battalion January 1916. Canadian Mounted Rifles was the 4th Battalion. CEF on 1 was Canadian Mounted Rifles.