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dec 6, 1941 - December 6, 1941: President Roosevelt authorizes the Manhattan Project to develop atomic weapons, a U.S. government program formed to secretly build and test an atomic bomb. The project originally began to counter Nazi Germany.

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Timeline of Hiroshima

Byslader
24 Apr 2018
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Date:

dec 6, 1941
Now
~ 83 years ago
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