IJN Organization

Wars

3 January 1868 - 18 May 1869

September 20, 1875

1 August 1894 - 17 April 1895

29 May 1895 - 21 October 1895

August 1899 - September 1901

8 February 1904 - 5 September 1905

23 August 1914 - 28 June 1919

August 1918 - July 1920

18 September 1931 - 27 February 1932

1932 - 13 April 1941

July 7, 1937 - September 9, 1945

December 7, 1941 - September 2, 1945

High rank fleet

9 March 1869 - 27 July 1870

28 July 1870 - 17 May 1872

18 May 1872 - 25 October 1875

28 October 1875 - 4 September 1876

28 October 1875 - 4 September 1876

5 September 1876 - 28 December 1885

18 July 1894 - 15 November 1895

28 December 1903 - 20 December 1905

1 December 1922 - 10 October 1945

20 October 1937 - 9 September 1945

15 November 1943 - 10 October 1945

Medium rank fleet

10 April 1942 - 3 September 1945

20 December 1942 - 6 September 1945

5 August 1943 - 5 December 1944

1 March 1944 - 15 November 1944

4 May 1944 - 18 July 1944

5 February 1945 - 12 September 1945

Lower rank fleet

28 December 1885 - 29 July 1889

29 July 1889 - 28 December 1903

13 July 1894 - 19 July 1894

19 July 1894 - 15 November 1895

28 December 1903 - 25 February 1944

28 December 1903 - 20 April 1945

28 December 1903 - 20 December 1905

31 January 1905 - 4 November 1905

14 June 1905 - 20 December 1905

20 December 1905 - 23 December 1908

20 December 1905 - 20 September 1940

6 October 1908 - 25 October 1908

24 December 1908 - 24 December 1915

1 April 1911 - 12 November 1911

25 December 1915 - 1 December 1922

7 February 1917 - 30 November 1919

7 February 1917 - 30 November 1918

7 February 1917 - 20 July 1919

13 April 1917 - 12 December 1917

10 August 1918 - 8 August 1919

9 August 1919 - 19 May 1933

16 May 1927 - 20 April 1933

2 February 1932 - 14 November 1939

20 October 1937 - 15 November 1939

1 February 1938 - 14 November 1939

15 November 1939 - 19 August 1943

15 November 1939 - 9 September 1945

15 November 1939 - 9 April 1942

15 November 1939 - 15 September 1945

15 November 1940 - 15 September 1945

15 January 1941 - 6 September 1945

10 April 1941 - 14 July 1942

10 April 1941 - 9 March 1942

31 July 1941 - 2 January 1942

3 January 1942 - 12 September 1945

3 January 1942 - 3 September 1945

10 March 1942 - 3 September 1945

14 July 1942 - 15 December 1944

14 July 1942 - 8 September 1945

15 November 1943 - 10 July 1944

30 November 1943 - 10 March 1945

10 December 1944 - 25 August 1945

15 April 1945 - 15 September 1945