Fourth Army - Romania - was created in 1916.
First Army - Romania - ended in 2000.
Fourth Army - Romania - ended in 2000.
Japanese First Army was created in 1937.
First Canadian Army was created in 1942.
First Army - Australia - was created in 1939.
First Army - Greece - was created in 1951.
First United States Army was created in 1918.
Japanese First Area Army was created in 1942.
First Allied Airborne Army was created in 1944.
Forty-First Army - Japan - was created in 1944.
First General Army - Japan - was created in 1945.