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Pearl Harbor
The day the United States joined World War 2 -
Period: to
End
The Japanese annouced their surrender and a cease-fire on August 15, 1945 (their time, August 14, 1945 US Time) -
Little Boy
In 1945 the gun powered nuclear fission bomb "Little Boy" was built as part the Manhattan Project to drop over Hiroshima. -
Trinity Test
The Trinity Test took place on Trinity Site Zero in the Jornada del Muerto desert on July 16, 1945 at 5:29AM. It was the succsessful detonation of "The Gadget" and the start of nuclear weapons. -
Hiroshima was bombed
On the 6th of August, 8:15AM the B-29 Enola Gay dropped "Little Boy" on Hiroshima. -
First Atomic Bombs
The atomic bombings of the cities of Hiroshima and Nagasaki in Japan were conducted by the United States during the final stages of World War II in 1945. The two events are the only use of nuclear weapons in war to date. http://en.wikipedia.org/wiki/Atomic_bombings_of_Hiroshima_and_Nagasaki