<P> During the final stage of World War II , the United States detonated two nuclear weapons over the Japanese cities of Hiroshima and Nagasaki on August 6 and 9 , 1945 , respectively . The United States dropped the bombs after obtaining the consent of the United Kingdom , as required by the Quebec Agreement . The two bombings killed at least 129,000 people , most of whom were civilians . They remain the only use of nuclear weapons in the history of warfare . </P>
when were the atom bombs dropped on japan
the Japanese cities of Hiroshima and Nagasaki on August 6 and 9 , 1945 , respectively