WORLD WAR I-US HISTORY-STAMM By kulenic_moore May 9, 1914 First battle of the Marne begins Jun 24, 1914 Assassination of Archduke Franz Ferdinand (Heir to Austro-Hungarian throne) by Serbian Nationalist (Gavrillo Princip) Jul 28, 1914 Austria decared war on Serbia Jul 29, 1914 Russia begins to mobilise her armed forces. Austria-Hungarian troops invade Serbia. Aug 1, 1914 Germany declares war on Russia Aug 3, 1914 Germany invades Belgium Aug 19, 1914 U.S President Wilson appeals for neutrality Aug 23, 1914 Germany invades France Sep 10, 1914 First battle of Marne ends with the French winning causing the Germans to move towards Paris..leads up to stalemete Nov 27, 1914 Turkey enters the war on Germanys side This was also the beginning of Trench Warfare Mar 11, 1915 Britain blockades all of the German ports May 7, 1915 Lusitania sunk by the German U-Boats Nov 7, 1916 Woodrow Wilson is re-elected in the USA "He kept us out of the war" Feb 24, 1917 The Zimmermann Telegram is passed to the US by Britain, detailing alleged German proposal of an alliance with Mexico against the US Apr 6, 1917 USA declares war with Germany Jun 28, 1918 Treaty of Versailles signed by Germans Nov 11, 1918 Germany signs armistice with allies Causing the end of WWI