WW1 Timeline by Zoey Damon By branham Jun 28, 1914 Archduke Franz Ferdinand was Assassinated Aug 4, 1914 Great Britain Declares War on Germany Oct 5, 1914 First German Aircraft Shot Down by Allied Plane Oct 15, 1914 Battle of Ypres Dec 25, 1914 Christmas Truce on the Western Front Apr 22, 1915 German Gas Attack at Ypres May 7, 1915 The Lustiania Sinks May 31, 1915 First Zepplin Raid on London Feb 21, 1916 German Attack on Verdun May 31, 1916 Battle of Jutland Jul 1, 1916 The Battle of Somme Begins Sep 15, 1916 First Use of British Tanks (Battle of Somme) Jun 25, 1917 American Troops Arrive in France Jul 17, 1917 King George V Changes Royal Last Name to Windsor Aug 7, 1917 Lord Kitchener Calls For Arms Oct 12, 1917 Britain Attacks Passchendaele Nov 9, 1918 Kaiser Wilhelm II of Germany Abdicates Nov 11, 1918 Armistice is Signed Jan 12, 1919 Paris Peace Confernece Jun 28, 1919 Treaty of Versailles Signed