The Great Patriotic War 1941–1945

The Great Patriotic War — the Soviet name for the conflict with Nazi Germany from 1941 to 1945 — was the most destructive war in human history. The Soviet Union bore the heaviest burden of any allied power, suffering approximately 27 million deaths (military and civilian combined). The war tested the Soviet system to its limits and became the defining experience of Soviet identity for generations. Understanding how the USSR survived, recovered, and ultimately triumphed is essential for evaluating the strengths and weaknesses of the Stalinist system.

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The Nazi-Soviet Pact and the Outbreak of War

The Molotov-Ribbentrop Pact (August 1939)

The Nazi-Soviet Non-Aggression Pact stunned the world. Its key provisions:

Provision	Detail
Non-aggression	Both powers agreed not to attack each other for ten years
Secret protocols	Eastern Europe was divided into 'spheres of influence' — Poland was to be partitioned; the Baltic states, eastern Poland, Bessarabia, and Finland fell within the Soviet sphere
Trade agreement	The USSR supplied Germany with raw materials (oil, grain, metals) in exchange for manufactured goods and military technology

Stalin's motivations were pragmatic: