Fifty-Fifth Army - Japan - was created in 1945.
Army War College - Japan - ended in 1945.
With Japan's industrial base; Japan built a navy, army, and air force. After building those forces; their navy, army, and air force trained for war.
Punjab Army was created in 1801.
Yes, Japan does have a military but has no army. Japan's military can only be used for self-defense and the reason why Japan does not have an army because they'll be bringing military weapons and vehicles to attack other countries. After WW2, they were banned by the rules. Japan can only use its military in defense.
Twentieth Army - Japan - was created in 1941.
Fortieth Army - Japan - was created in 1945.
Taiwan Army of Japan was created in 1919.
Third Army - Japan - was created in 1904.
Fiftieth Army - Japan - was created in 1945.
Sixth Army - Japan - was created in 1939.
Sixteenth Army - Japan - was created in 1941.
Nineteenth Army - Japan - was created in 1942.
Fourth Army - Japan - was created in 1904.
Tenth Army - Japan - was created in 1937.
Eleventh Army - Japan - was created in 1938.
Fifteenth Army - Japan - was created in 1941.