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. The test …

Feb 21, 2026 · 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 …

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 …

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.

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 barren plains of the …

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 …

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 …

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 …

Mar 12, 1999 · The first nuclear explosion in history took place in New Mexico, at the Alamogordo Test Range, on the Jornada del Muerto (Journey of Death) desert, in the test named Trinity.

Jul 6, 2020 · This was the Trinity test, the culmination of 27 months of work at Project Y—a secret laboratory in Los Alamos—to create the world’s first atomic bomb. Project Y covertly developed two …