1914
The Great War
begins
Sept. 5-12
Battle of the Marne halts the German advance into France
1914-1915
Germans win the Battle of Tannenburg against the Russians
April 22, 1915 Germans use
chlorine gas against French, Algerian and Canadian troops at Ypres
1915
Serbia falls
to the Austrians
Nov. of 1915 Germans
move troops to the western front
July 1, 1916
Allies begin an offensive on the Some River
1917
Austria
conquers Romania
January, 1917 Germany
declares unrestricted sub warfare on all ships trading with the Allies
April 6, 1917
U.S. declares war on Germany
March 3, 1918 Bolshevik
Communist govn't of USSR signs treaty with the Central Powers
Oct. 30, 1918
Ottomans surrender
Nov. 3, 1918
Austria-Hungary signs an armistice
Nov. 11, 1918 Germans sign
an armistice, and the war is over
