First Canadian Army was created in 1942.
Canadian Women's Army Corps was created in 1941.
First Canadian Army ended in 1946.
Royal Canadian Army Medical Corps was created in 1904.
Royal Canadian Army Veterinary Corps was created in 1910.
Canadian Army Veteran Motorcycle Units was created in 2003.
Royal Canadian Army Pay Corps was created in 1906.
Royal Canadian Army Service Corps was created in 1919.
Royal Canadian Army Chaplain Corps was created in 1948.
They technically formed by the British Army in the 1800's, but the Canadian Corps, Canada's first own force, formed near WW1.
First Canadian Place was created in 1975.
First Canadian Centre was created in 1982.
Japanese First Army was created in 1937.