The 67th Battalion (Western Scots), CEF, was authorized on 20 April 1915 and embarked for Britain on 1 April 1916 where it was converted to a pioneer battalion and redesignated as the 67th Canadian (Pioneer) Battalion, CEF, on 15 May 1916. It disembarked in France on 14 August 1916, where it served as part of the 4th Canadian Division in France and Flanders until 28 April 1917, when its personnel were absorbed by the Canadian Corps in the field. The battalion was disbanded on 30 August 1920.