US : Atomic bombings of Hiroshima and Nagasaki

Casualties and losses
20 U.S., Dutch, Britishprisoners of war killed	90,000–166,000 killed in Hiroshima 39,000–80,000 killed in Nagasaki Total: 129,000–246,000+ killed

The atomic bombings of the cities of Hiroshima and Nagasaki in Japan were conducted by the United States during the final stages ofWorld War II in August 1945. The two bombings were the first and remain the only use of nuclear weapons in warfare.

Following a firebombing campaign that destroyed many Japanese cities, the Allies prepared for a costly invasion of Japan. The war in Europeended when Nazi Germany signed its instrument of surrender on May 8, 1945, but the Pacific War continued. Together with the United Kingdom and China, the United States called for the unconditional surrender of the Japanese armed forces in the Potsdam Declaration on July 26, 1945, threatening "prompt and utter destruction". read more.......please click the link below

Source: http://en.wikipedia.org/wiki/Atomic_bombings_of_Hiroshima_and_Nagasaki