Nov 1917–Feb 1918Bolsheviks gaincontrol in Russia
6 Dec 1917Finland declaresindependence
9 Dec 1917Romania signsarmistice
Jan 1918Finnish Civil Warbreaks out
3 Mar 1918Treaty of Brest-Litovsk:Soviets accept independenceof Finland, Estonia, Livonia,Courland, Lithuania, Belarusand Ukraine
Mar 1918–Jul 1920Flu pandemichits Western Front,quickly spreads