First Army (Japan)
Name From To
1 Marshal Yamagata Aritomo 1 September 1894 19 December 1894
2 Marshal Nozu Michitsura 19 December 1894 28 May 1895
X demobilized 28 May 1895 2 February 1904
3 Marshal Kuroki Tamemoto 2 February 1904 9 December 1905
X demobilized 9 December 1905 31 August 1937
4 Lieutenant General Kiyoshi Katsuki 26 August 1937 30 May 1938
5 General Yoshijirō Umezu 30 May 1938 7 September 1939
6 Lieutenant General Yoshio Shinozuka 7 September 1939 20 June 1941
7 Lieutenant General Yoshio Iwamatsu 20 June 1941 1 August 1942
8 General Teiichi Yoshimoto 1 August 1942 22 November 1944
9 Lieutenant General Raishiro Sumida 22 November 1944 30 September 1945
List of Commanders -- Commanding officer
The was an army of the Imperial Japanese Army. It was raised and demobilized on three separate occasions.