1945
August 9 1945
August 6, 1945 on Hiroshima
The second nuclear bomb used in anger was dropped over Nagasaki on August 9th 1945.
1945 USA dropped 2 on Japan
There was no reason as it was never dropped in world war one. The nuclear era was achieved in august 6, 1945 with the first nuclear bomb dropped over Hiroshima. There was also another dropped over Nagasaki on august 9, 1945.
Aug 9, 1945
The second atomic bomb dropped in Wold War II was dropped on August 9, 1945. The bomb was called "Fat Man," and it was dropped by the B-29 bomber, Bockscar.
In 1945 the United States dropped two nuclear bombs on Japan. The first was dropped on Hiroshima on August 6, and the second was dropped on Nagasaki on August 9. They are the only two instances of a nuclear attack in human history.
The Fat man was the nuclear bomb dropped in the city of Nagasaki, Japan on August 9 1945.
A nuclear bomb has never been dropped. It was an atomic bomb that was dropped on the Japanese cities Hiroshima ans Nagasaki. An atomic bomb is a nuclear weapon. Nuclear bombs have much more impact than atomic bombs, and could potentially end the World if a nuclear war was started.
According to wikipedia Harry S. Truman was president from April 1945-1953 which would make him president in August 1945 when the first atomic bomb was dropped.