Today in 1945, the Enola Gay dropped an atomic bomb on Hiroshima

At 8:16 a.m. (local time) on August 6 1945, a B-29 bomber, the Enola Gay dropped an atomic bomb on Hiroshima, Japan.

Wikipedia: Atomic bombings of Hiroshima and Nagasaki

Hiroshima Nuclear (atomic) Bomb - USA attack on Japan (1945)