6h 34min, dec 31, 1946 y - Manhattan Project
1939-December 31, 1946
Who: Robert Oppenheimer, Norris Bradbury, John Manley, Enrico Fermi and J. M. B. Kellogg.
Where: Manhattan, New York
Why: To produce the first US nuclear weapon
Significance: It put an end to WWII by using weapons of mass destruction and forced Japan to surrender.
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