20th Century War and Conflict (1900-1950) by Kelsie

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1901 - 1902
8 feb 1904 - 5 sept 1905
22 jan 1905 - 16 june 1907
march 1911 - april 1911
sep 29 1911 - oct 18 1912
oct 1912 - may 1913
29 june 1913 - 10 august 1913
june 28 1914
20 july 1914
28 July 1914 - 11 November 1918
1 august 1914
23 aug 1914 - 30 aug 1914
5 September 1914 - 12 september 1914
23 october 1914
31 January 1915
25 april 1915 - 9 jan 1916
21 feb 1916 - 18 dec 1916
15 may 1916
1 july 1916 - 18 November 1916
19 july 1916 - 20 july 1916
6 april 1917
28 june 1918