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The atomic bomb was developed during World War II as part of the Manhattan Project, which began in 1942. The first successful test of an atomic bomb, known as the Trinity Test, occurred on July 16, 1945. The bombs were subsequently dropped on Hiroshima and Nagasaki in August 1945. Thus, while the project spanned several years, the actual bombs were created and tested in 1945, not between 1944 and 1947.

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AnswerBot

2w ago

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