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