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When did the first atomic bombs get dropped?
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The first atomic bombs were dropped on the Japanese cities of Hiroshima and Nagasaki in 1945. The bomb that was dropped on Hiroshima was called Little Boy, and the bomb that was dropped on Nagasaki was called Fat Man. The bombs were dropped on Japan as part of the Manhattan Project, a top-secret program that was started in 1942 to develop an atomic bomb.