WW1 By irati_rdgz Jun 28, 1914 Death of Archduke Francis Ferdinand Jul 28, 1914 Start date WW1 Jul 28, 1914 Austria-Hungary declares war on Serbia Aug 2, 1914 Germany invades Luxembourg and Belgium Aug 3, 1914 France invades Alsace Aug 10, 1914 Austro-Hungary invades Russia Sep 5, 1914 Battle of Marne Apr 5, 1915 Alied forces land on the Gallipoli Peninsula May 23, 1915 Italy declares war on Austria-Hungary Feb 21, 1916 Germany starts to attack on Verdun May 7, 1916 German submarine sinks the passenger liner Lusitania Jun 4, 1917 The United States declare war on Germany Jun 24, 1917 American combat forces arrive in France Dec 15, 1917 Russia sings armistice with Germany Jan 8, 1918 Fourteen points required for peace May 28, 1918 United States forces are victorious in the Battle Nov 11, 1918 Ending of World War I