World War I By Takebie_Essence Jun 28, 1914 Assassination of Archduke Ferdinand Assassination of Archduke Ferdinand Jul 28, 1914 Austria-Hungary Declares War on Serbia Austria-Hungary Declares War on Serbia Sep 3, 1914 Germany Declares War On France Germany Declares War On France Apr 22, 1915 Germans Fire Germans Fire May 7, 1915 Lusitania Sinks Lusitania Sinks Period: Feb 21, 1916 to Dec 18, 1916 Battle of Verdun Battle of Verdun Period: May 31, 1916 to Jun 1, 1916 Jutland Jutland Period: Jun 4, 1916 to Sep 20, 1916 Brusilov Offensive Brusilov Offensive Period: Jul 1, 1916 to Nov 1, 1916 Battle of Somme Battle of Somme Feb 25, 1917 Zimmerman Telegram Zimmerman Telegram Apr 6, 1917 U.S Declares War on Germany U.S Declares War on Germany Period: Sep 8, 1918 to Sep 11, 1918 Battle of Amiens Battle of Amiens Nov 11, 1918 Armistice Day Armistice Day Period: Jun 28, 1919 to Jan 21, 1920 Treaty of Versailles Treaty of Versailles
