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

(Monday, August 6, 1945, 8:15 a.m. Japan Standard Time; 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.

Video: 'American Experience - Truman (1997) - Part 3' (Aug. 6, 1945, at 39:51)

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

Video: 'Blitzkrieg to the Bomb (World War II in One Hour)' (Aug. 6, 1945, at 1:01:51)

Video: 'WWII Triumph and Despair' (Aug. 6/9, 1945, at 38:47)