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Niel Bohr of George Washington University discovered nuclear fission
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J. Robert Oppenheimer realizes and discusses the military possibilities with this knowledge
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The devastation of WWII commences
https://www.history.com/topics/world-war-ii/world-war-ii-history -
Plutonium is discovered by Glenn Seaborg, Edwin McMillan, Joseph W. Kennedy, and Arthur Wahl of the University of California in Berkeley. The discovery was kept secret
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The Manhattan Engineer District is established in hopes of creating an atomic weapon used for the war. This date was the initiation of the "Manhattan Project."
https://www.energy.gov/podcasts/direct-current-energygov-podcast/s2-e2-manhattan-project-part-1 -
General Leslie Groves took charge of the Manhattan Project, and Robert Oppenheimer became its scientific director
https://www.atomicheritage.org/files/gen-leslie-groves -
The first nuclear reactor was established at the University of Chicago, Illinois. It was made with graphite blocks embedded with spheres of uranium. With this reactor came the first controlled nuclear chain reaction
https://www.youtube.com/watch?v=0tKf7R2XncM -
It was decided that Japan was to be the primary target of any future atomic bombs dropped
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The New Mexico Trinity site had finally detonated its new gadget
https://www.youtube.com/watch?v=ub82Xb1C8os <-- the detonation -
The uranium bomb, little boy, was dropped over Hiroshima, killing over 100,000 people instantly.
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Not long after Little Boy, the plutonium bomb dubbed Fat Man was dropped over Nagasaki
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After threats from the U.S of dropping yet another atomic bomb, Japan finally surrenders, thus ending WWII
https://www.youtube.com/watch?v=pX8hyM1a-sg