The Great War By rorymurphy Jun 28, 1914 Assassination of Archduke Ferdinand of Austria Jun 29, 1914 WWI begins as Austria declares war on Serbia Aug 4, 1914 Germany declares war on Russia and France and implements Schlieffen Plan Aug 7, 1914 Britain declares war on Germany May 7, 1915 Lusitania was sunk by a German U-boat carrying USA passengers Jan 1, 1917 Zimmerman telegraph threatens American territory Period: Feb 23, 1917 to Oct 28, 1917 Russian Revolution Apr 6, 1917 USA declares war on Germany Mar 3, 1918 Treaty of Brest-Litovsk is signed by Germany and Russia Nov 11, 1918 Armistice between Germany and The Allies Jun 28, 1919 Treaty of Versailles signed by the powers of Europe
