On 16 July 1945, the first detonation of a nuclear weapon took place in the desert region of Jornada del Muerto (Dead Man's Journey) in New Mexico, as part of the United States' �Manhattan Project. Just 3 weeks later, the atomic bombs would be dropped on the Japanese cities of Nagasaki and Hiroshima. 📸 Time-lapse detonation of Gadget, Trinity nuclear weapons test, 16 July 1945 | History Hit