Video: 'Explosion and smoke cloud of the first Atomic Bomb detonation rising at Alamogord...HD Stock Footage'
(Sunday, July 16, 1945, 5:29:45 a.m. MWT; during World War II) — The Atomic Age began this morning when the United States successfully detonated a plutonium-based test nuclear weapon at the Trinity bomb site near Alamogordo, New Mexico, unleashing an explosion equivalent to that of 19 kilotons of TNT (click here for a clip of this event from “American Experience: Truman” at 1:56:01). Continue reading U.S. explodes first experimental atomic bomb in New Mexico 70 years ago this hour (July 16 1945)