Video: 'The World At War 1973(World War II Documentary)Episode 24-The Bomb(February–September 1945)' (Aug. 6, 1945, at 36:34)

(Monday, August 6, 1945, 8:15 a.m. JST; during World War II) — An American B-29 bomber, the Enola Gay, dropped “Little Boy,” the world’s first atom bomb (used in warfare), this morning over the city of Hiroshima, Japan, resulting in an estimated 140,000 deaths. (click here for a clip of this event from “American Experience: Truman” at 2:11:22).

Video: 'Peter Jennings - Hiroshima: Why the Bomb was Dropped (1995)' (Aug. 6, 1945, at 56:54)

Video: 'Blitzkrieg to the Bomb' (Aug. 6, 1945, at 1:02:21)

Video: 'World War 2 II in Colour The Second World War in Colour FULL FILM DOCUMENTARY]' (Aug. 6/9, 1945, at 2:22:20)