From wikipedia
The current incarnation of the Canadian Forces dates from 1 February 1968,[8] when the Royal Canadian Navy, Canadian Army, and Royal Canadian Air Force were merged into a unified structure.
http://en.wikipedia.org/wiki/National_Defence_Act
The Canadian Forces Reorganization Act came into effect on 1 February 1968, creating one organization responsible for the defence of Canada, the Canadian Forces, and amending the National Defence Act.