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The invasion of Poland, marked the beginning of World War II. The German invasion began on 1 September 1939, one week after the signing of the Molotov–Ribbentrop Pact between Germany and the Soviet Union, and one day after the Supreme Soviet of the Soviet Union had approved the pact.
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The attack on Pearl Harbor was a surprise, preemptive military strike by the Imperial Japanese Navy Air Service upon the United States against the naval base at Pearl Harbor in Honolulu, Territory of Hawaii, just before 08:00, on Sunday morning, December 7, 1941.
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On December 16, 1944, the Germans launch the last major offensive of the war, Operation Mist, also known as the Ardennes Offensive and the Battle of the Bulge, an attempt to push the Allied front line west from northern France to northwestern Belgium.
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The Japanese Instrument of Surrender was the written agreement that formalized the surrender of the Empire of Japan, marking the end of hostilities in World War II.