"Little Boy," a uranium-type nuclear bomb, was dropped on Hiroshima on August 6, 1945. "Fat Man," a plutonium-type nuclear bomb, was dropped on Nagasaki on August 9, 1945. On August 15, 1945, Japan announced surrender, signing the Instrument of Surrender on September 2, 1945. Short Answer: August 6 and 9, 1945
information from
http://en.wikipedia.org/wiki/Atomic_bombings_of_Hiroshima_and_Nagasaki
6 August = Hiroshima 1945 9 August = Nagasaki 1945
Hiroshima and Nagasaki
Yes, US had to to end the war instead of letting it drag out at least another year.
the US
Hiroshima, Japan
the US decide to drop two atomic bombs on Japan, not china
No, the Japanese military did not drop any bombs on the USA after the atomic bombs were used on Japan. The bombs and pending invasion by the Soviets and the Americans (and allies) motivated the Emperor Hirohito to surrender to the Allied Forces.
sure?
The US dropped nuclear bombs on Hiroshima and Nagasaki in Japan.
They did not, it was the other way round.
Hiroshima and Nagasaki
No, dropping the bombs caused the Japanese to surrender.
The United States Used Nuclear Bombs Against Japan After The Pearl Harbor Bombing, And So The United States Dropped A Nuclear Bombs On Hiroshima. Japan Said That Didn't Matter, And The United States Dropped A Nuke On Nagasaki.