historyWikipedia1939–1940 · Finland

Finland held off a Soviet invasion in the Winter War, then ceded territory in a 1940 peace

the gist

On 30 November 1939 the Soviet Union invaded Finland, three months after World War II began. Moscow demanded border territory, citing the need to protect Leningrad, about 32 km from the frontier, and Finland refused. Despite Soviet advantages in tanks and aircraft, Finnish forces repelled attacks for more than two months in temperatures as low as minus 43 degrees Celsius. The Soviets later reorganised, renewed their offensive in February 1940 and broke Finnish defences on the Karelian Isthmus. Finland signed the Moscow Peace Treaty on 13 March 1940, ceding about 9 percent of its territory while keeping its sovereignty. The League of Nations deemed the attack illegal and expelled the Soviet Union.

so what

The poor Soviet performance encouraged Hitler to believe an attack on the Soviet Union would succeed, and Germany launched Operation Barbarossa in June 1941. The war also shows how a small nation can resist a much larger army at high cost.

fun fact

The term Molotov cocktail came into use during this war, as Finnish defenders used firebombs against Soviet tanks.

more on this

key facts

Country
Soviet Union
Started
30 November 1939
Ended
13 March 1940

Facts: Wikidata (CC0)

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Image: Wikimedia Commons