Dec. 7—United States declares war on Austria-Hungary.
Dec. 9—Jerusalem captured by British force advancing from Egypt.
Dec. 10—Gens. Kaledines and Kornilov declared by the Bolsheviki Government to be leading a Cossack revolt.
Dec. 15—Armistice signed between Germany and the Bolsheviki Government at Brest-Litovsk.
Dec. 23—Peace negotiations opened at Brest-Litovsk between Bolsheviki Government and Central Powers, under Presidency of the German foreign minister.
Dec. 26—President Wilson issues proclamation taking over railroads and appointing W.G. McAdoo, director-general. Proclamation takes effect at noon, December 28.
Dec. 29—British national labor conference approves continuation of war for aims similar to those defined by President Wilson.
1918.
Jan. 19—American troops take over sector northwest of Toul.
Feb. 6—"Tuscania," American transport, torpedoed off coast of Ireland; 101 lost.