World War 1 By Alex Lindgren Aug 31, 1907 Triple Entente Period: Mar 7, 1913 to Mar 7, 1921 US President Woodrow Wilson Jun 28, 1914 Assassination of Archduke Franz Ferdinand of Austria Jul 28, 1914 Austria and Serbia declare war Period: Jul 28, 1914 to Nov 11, 1918 World War 1 Jul 30, 1914 Schlieffen Plan Aug 2, 1914 Ottoman–German Alliance Period: Aug 3, 1914 to Nov 3, 1918 Blakans Campaign Aug 5, 1914 The Ottoman Empire closes the Dardanelles Aug 15, 1914 First use of the Panama Canal Period: Sep 5, 1914 to Sep 20, 1917 Trench Warfare May 6, 1915 Triple Alliance May 7, 1915 Lusitania is sunk by German Submarines Period: Feb 21, 1916 to Dec 18, 1916 Battle Of Verdun Apr 2, 1917 Wilson Declares war on Germany Aug 8, 1918 100 day Offensive Sep 26, 1918 Attack on the Hindenburg Line Nov 9, 1918 Kaiser Wilhelm 2 stepped down from his Leadership Jan 18, 1919 Paris Peace Conference Jun 28, 1919 Treaty of Versailles Jul 24, 1923 Republic of Turkey
