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In Berlin, Germany Otto Hahn, Lise Meitner and Fritz Strassman discovered nuclear fission.
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Albert Einstein brings the idea of the atomic bomb to the U.S.A.
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President Roosevelt authorized the manhattan project
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The first atomic bomb was detonated at los alamos New Mexico
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The Potsdam Conference ask for Japans surrender or faces destruction
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The U.S.A Dropped the first nuclear bomb on hiroshima the "little Boy"
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They dropped the second atomic bomb the "Fat Man" on nagasaki
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Japan formally surrenders after the bombings
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America forms the atomic energy commission
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Lyndon B. Johnson allows privet ownership of nuclear materials