World War I By GaryJ Jul 28, 1914 Assassination of Archduke Franz Ferdinand Period: Jul 28, 1914 to Nov 11, 1918 World War I Aug 4, 1914 Austria/Hungary sends an Ultimatum to Serbia Aug 7, 1914 100, 000 Men Called to Join the British Army by Lord Kitchener May 31, 1915 First Zeppelin Raid on London Feb 21, 1916 Germans Attack Verdun Sep 15, 1916 First use of Tanks Apr 6, 1917 USA Declares War on Germany Jul 17, 1917 King George V changes his name to Windsor Nov 9, 1918 Kaiser Wilhelm II of Germany abdicates Jan 12, 1919 Paris Peace Conference
