Winter War -

The (Finnish: Talvisota ) was a brief but brutal conflict that began on November 30, 1939, when the Soviet Union invaded Finland . Though the Soviet Red Army held massive numerical superiority, the tiny Finnish Army managed to inflict staggering casualties and stall the invasion for over three months, turning the war into a classic "David vs. Goliath" struggle. Key Conflict Details Duration : March 13, 1940 (105 days).

: The invasion followed Finland’s refusal of Soviet territorial demands and a "false flag" border incident at Mainila staged by the USSR. Winter War

Despite being outgunned in tanks and aircraft, the Finns utilized their knowledge of the sub-arctic terrain to devastating effect. The (Finnish: Talvisota ) was a brief but

: The Soviets suffered roughly 300,000–1,000,000 casualties, while Finnish losses were approximately 25,000–65,000. Finnish Resistance & Tactics Key Conflict Details Duration : March 13, 1940 (105 days)

: The Moscow Peace Treaty ended the war. Finland maintained its independence but was forced to cede 11% of its territory, including the Karelian Isthmus.