World War l By BVincent Jun 29, 1914 Archduke Assassinated Aug 3, 1914 Germany declares war on France Aug 6, 1914 Austria-Hungary declares war Aug 19, 1914 USA neutral Period: Sep 25, 1914 to Apr 27, 1919 WWl Sep 15, 1915 First Tanks Feb 27, 1917 Zimmerman Telegraph Apr 6, 1917 USA declares war on Germany Oct 29, 1918 Germany’s navy mutinied Sep 1, 1919 Treaty of Versailles
