World War I By madison_copeland Jul 28, 1913 Austria declares war on Serbia Apr 28, 1914 Archduke of France, Franz Ferdinand, was assasined. Jun 28, 1914 WWI begins Period: Jun 28, 1914 to Jun 29, 1919 WWI France's Archduke Franisis Ferdinnand was assasinated. Aug 1, 1914 Germany declares war on Russia Aug 4, 1914 Great Britain declares war on Germany Feb 27, 1915 Russian Revolution began May 7, 1915 Germany sunk the Lusitania Dec 17, 1915 Rasputine was murdered Jul 17, 1918 Czar Nicholas II stepped down from power Nov 11, 1918 Germany signed the Armistice Jun 28, 1919 Allies signed the Treaty of Versailles