The Great War By elliemelton Jun 28, 1914 Austria-Hungary Archduke Francis Ferdinad assasinated while visiting Sarajevo, Bosnia Jul 28, 1914 A-H declares war on Serbia and Russia mobilizes Aug 1, 1914 Germany decares was on Russia Aug 3, 1914 Germany declares war on France Aug 4, 1914 GB declares war on Germany for violation of Belgium's nuetrality Aug 6, 1914 Austria-Hungary declares war on Russia. Sep 15, 1914 First trenches of the Western front are dug. May 7, 1915 U-boat sinks the Lusitania. 1,198 civilians, including 128 Americans die. Mar 15, 1917 Tsar Nicholas II of Russia abdicates. Provisional government is declared. Apr 6, 1917 President Wilson asks Congress for a declaration of war with Imperial Germany. Oct 23, 1917 American troops in France fire their first shot in trench warfare. Nov 7, 1917 Bolshevik socialists, led by Lenin, overthrow Kerensky's government. Sep 1, 1918 Allies advance on Germany Sep 27, 1918 Allied troops break through the German fortifications at the Hindenberg line. Nov 11, 1918 Armistance of WW1 is signed Jan 18, 1919 Paris Peace Conference began Jun 28, 1919 Treaty of Versailles signed-end of war