World War 1 Time Line By M@RC0$ May 5, 1913 President Wilson issues his "Fourteen Points" Apr 6, 1914 United States Enters The War Aug 1, 1914 Germany declares war on France and Russia Sep 12, 1914 Allies defeat the Germans at the first battle May 5, 1917 Attack on Lusitania Dec 7, 1917 Russia Leaves The War Nov 11, 1918 Germany agrees to an armistice and fighting ends Jun 28, 1919 Treaty of Versailles is signed ending World One 1 Jun 28, 1919 Austria Hungary Declares war on Serbia