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Invasion of Poland

The Invasion of Poland, also known as the September Campaign or 1939 Defensive War or the Fourth Partition of Poland in Poland and the Poland Campaign or Fall Weiss in Germany, was an invasion of Poland by Germany, the Soviet Union, and a small Slovak contingent that marked the beginning of World War II in Europe. The German invasion began on 1 September 1939, one week after the signing of the Molotov–Ribbentrop Pact, while the Soviet invasion commenced on 17 September 1939 f...

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