Feb 1915Indian troops mutinyin Singapore
4 Mar–10 Apr 1915Constantinople Agreement:Allies plan partition ofOttoman Empire
19 Apr–17 May 1915Armenianuprising in Van
24 Apr 1915Ottomans begin wholesalepersecution of Armenians
25 Apr 1915Allies land at Gallipoli
28 Apr 1915Asir allies with Britain