Northern Eurasia 1940: Winter War

Nov 1939Polish territories annexed to
Ukrainian & Byelorussian SSR

30 Nov 1939Soviet Union invades Finland

14 Dec 1939Soviet Union expelled
from League of Nations
over war with Finland

1–15 Feb 1940Soviet defeat
Finns at Summa

Winter War

14 Nov 1927 Rise of Stalin 20 Nov 1929 1929 Sino-Soviet Conflict 2 Jun 1932 Japanese Conquest of Manchuria 25 Nov 1936 Anti-Comintern Pact 22 Aug 1939 Soviet-Japanese Border Wars 28 Oct 1939 Molotov–Ribbentrop Pact 6 Mar 1940 Winter War 3 Jul 1940 Nazi-Soviet Honeymoon 21 Jun 1941 Eve of Barbarossa

After expanding into Poland and the Baltic states, the Soviet Union launched an invasion of Finland in late 1939. Despite their huge advantage in numbers and equipment, the war started disastrously for the Soviets. However they persevered and eventually forced the Finns to come to terms.

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Ukrainian SSR annexes Polish territories in wikipedia

Soviet Union begins invasion of Finland in wikipedia

Soviet Union expelled from League of Nations in wikipedia

Soviet breakthrough on Leningrad-Viipuri road in wikipedia