World War II - The Soviet Union's Role

The Soviet Union's Role

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This timeline focuses on the key events and milestones of the Soviet Union's involvement in World War II.

Soviet Invasion of Poland

September 17, 1939

The Soviet Union invades Poland from the east, in accordance with the Molotov-Ribbentrop Pact with Germany.

Operation Barbarossa

June 22, 1941

Germany launches a massive invasion of the Soviet Union, marking the beginning of the Eastern Front.

Battle of Stalingrad

August 23, 1942

The Soviet Union defeats German forces at Stalingrad, marking a major victory and a turning point in the war on the Eastern Front.

End of the Siege of Leningrad

January 27, 1944

The Soviet Union breaks the German siege of Leningrad after 872 days.

Battle of Berlin

April 1945

Soviet forces capture Berlin, leading to the eventual surrender of Germany.

Victory Day

May 9, 1945

The Soviet Union celebrates Victory Day, marking the end of the war in Europe.