World War One - Grant and Chance By heing20 Jun 28, 1914 Archduke Francis Ferdinand was assassinated in Sarajevo, Bosnia Period: Jun 28, 1914 to Jul 28, 1914 Pre- World War I Jul 28, 1914 Austria delcares war on Serbia the assassination of Ferdinand and the refusal of their proposals made war. Period: Jul 28, 1914 to Nov 11, 1918 World War One Period: Jul 28, 1914 to Aug 26, 1914 Outbreak of war across Europe Aug 1, 1914 Germnay declares war on Russia Dec 24, 1914 The unofficial Christmas truce declared Feb 21, 1916 Battle of Verdun begins The bloodiest battle of WWI Apr 6, 1917 USA declared war on Germany Jan 8, 1918 U.S. President Woodrow Wilson issues his Fourteen Points Nov 11, 1918 the end of World War I germnay signed armistice with the Allies Period: Nov 11, 1918 to Apr 8, 1919 Post Worrld War I Jun 28, 1919 The Treaty of Versailles was signed by the Germans.
