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World War II began on September 1, 1939, with the German invasion of Poland.
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The Holocaust, known in Hebrew as the Shoah, was the genocide of European Jews during World War II. Between 1941 and 1945,
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During World War II, the United States began to provide significant military supplies and other assistance to the Allies in September 1940. Then they joined in 41'
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On Dec. 7, 1941, Japan launched a surprise attack on the U.S. Pacific Fleet at Pearl Harbor, Hawaii. The assault killed or wounded more than 3,500 American troops and civilians
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The first successful atomic bomb test, known as the Trinity test, occurred on July 16, 1945. The first atomic bomb, "Little Boy", was dropped on Hiroshima on August 6, 1945