November 20, 1917 - Battle of Cambrai, France
December 3, 1917 - Russia signs an armistice with Germany.
March 3, 1918 - Russia signs the Treaty of Brest-Litovsk, ending hostilities with the Central Powers and withdrawing Russia from this war.
September 29, 1918 - Bulgaria signs an armistice.
October 30, 1918 - Ottoman Empire (Turkey) signs an armistice.
November 3, 1918 - Austria-Hungary signs an armistice.
November 11, 1918 - Germany accepts the armistice terms demanded by the Allies, ending the war.