First World War By Hegoi Period: Jun 14, 1914 to Jun 14, 1915 The first attacks Jun 28, 1914 Franz Ferdinand, killed Period: Jan 1, 1915 to Dec 30, 1917 The position war: the trenches May 7, 1915 Lusitania, sunk Period: Jan 1, 1917 to Dec 31, 1917 A crucial year Oct 25, 1917 Russian revolution Period: Jan 1, 1918 to Nov 11, 1918 The cvictory of the allies Nov 11, 1918 Germany signed armistice
