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Glenn Seaborg discovers plutonium
Gleen Seaburg first discovered plutonium on Febuary 23, 1941, a crucial element in the atomic bombs used on Hiroshima and Nagasaki. -
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Atomic Bomb
Two atomic bombs, Fat man and Little Boy, were dropped on Hiroshima and Nagasaki to end WWII -
FDR gives the Go-Ahead
FDR gives the okay to start the production of an atomic bomb, this becomes known as the Manhattan Project. -
Bombing of Pearl Harbor
Pearl Harbor BombingJapan bombs Pearl Harbor crippling Americas navy and throwing them into WWII. -
J. Robert Oppenheimer takes over Manhattan Project
Physist Robert Oppenheimer was appointed to director of the Manhattan Project which was a secret US government program that build and tested the nuclear bomb. -
First controlled nuclear fission reaction
First controlled nuclear fission reaction is produced by Enrico Fermi at the University of Chicago. -
FDR dies
Franklin Roosevelt dies. Harry Truman is named the 33rd President of the US. -
The war in Europe ends.
Allied forces take over Western Germany and the Axis begins to collapse after Mussolini's death. -
The only option
American intelligence discovers the only obstacle to peace with Japan is 'unconditional surrender'. -
First atomic detonation
The world's first atomic detonation takes place in the 'Trinity Test' at Alamogordo, New Mexico. -
Bombs to be dropped
President Truman ordered the bombs to be used on Japan. -
USA drops warning leaflets on Nagasaki
On August 1st 1945 America dropped 5 million leaflets on Nagasaki warning of what was to come. -
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Nagasaki bombing
The atomic bomb, Fat Man, the more powerful of the two, was dropped on Nagasaki. -
Surrender
Jpan formally surrendered after Hiroshima and Nagasaki were destroyed.