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  1. Trinity (nuclear test) - Wikipedia

    Trinity was the first detonation of a nuclear weapon, conducted by the United States Army at 5:29 a.m. Mountain War Time [a] (11:29:21 GMT) on July 16, 1945, as part of the Manhattan Project.

  2. Manhattan Project: The Trinity Test, July 16, 1945 - OSTI.GOV

    Jul 16, 2015 · The success of the Trinity test meant that both types of bombs -- the uranium design, untested but thought to be reliable, and the plutonium design, which had just been tested …

  3. Trinity test | Date, Video, Photos, Map, & Glass | Britannica

    Nov 6, 2025 · The Trinity test was the detonation of the first atomic bomb at 5:29:45 am on July 16, 1945. The bomb, a plutonium implosion device called Gadget, was exploded at the Alamogordo air …

  4. Trinity Site - U.S. National Park Service

    Oct 3, 2024 · The explosion point was named Trinity Site. Although no information on the test was released until after the atomic bomb had been used as a weapon, the flash of light and shock wave …

  5. Trinity Test -1945 - Nuclear Museum

    Jun 18, 2014 · After three years of research and experimentation, the world’s first nuclear device, the “Gadget,” was successfully detonated in the New Mexico desert. This inaugural test ushered in the …

  6. The Trinity Test - Site, Nuclear & Result | HISTORY

    Apr 23, 2010 · At 5:30 a.m. on July 16, 1945, Los Alamos scientists detonated a plutonium bomb at a test site located on the U.S. Air Force base at Alamogordo, New Mexico, some 120 miles south of …

  7. 'Destroyer of Worlds': The Making of an Atomic Bomb

    Emitting as much energy as 21,000 tons of TNT and creating a fireball that measured roughly 2,000 feet in diameter, the first successful test of an atomic bomb, known as the Trinity Test, forever changed …

  8. The First Atomic Bomb Test - trumanlibraryinstitute.org

    Jul 16, 2025 · “That brilliant light” was the first detonation of a nuclear weapon; the test was given the code name “Trinity” by physicist J. Robert Oppenheimer after a poem by John Donne.

  9. Trinity: World's First Nuclear Test - AF

    The world's first nuclear explosion occurred on July 16, 1945, when a plutonium implosion device was tested at a site located 210 miles south of Los Alamos, New Mexico, on the plains of the Alamogordo …

  10. 80th Anniversary of the Trinity Test | The Belfer Center for Science ...

    Jul 16, 2025 · In a remote stretch of New Mexico desert, the United States detonated the first nuclear weapon. Trinity marked the beginning of the nuclear age—an era defined by both unparalleled …