The United States dropped atomic bombs on the Japanese cities of Hiroshima and Nagasaki in August 1945, during the final stage of the Second World War.The two bombings, which killed at least 129,000 people, remain the only use of nuclear weapons for warfare in history.eaflet AB12, with information on the Hiroshima bomb and a warning to civilians to petition the Emperor to surrender was dropped over Japan beginning on August 9, by the 509th Composite Group on the bombing mission. Although it is not identified by them, an AB11 is in the possession of the Nagasaki Atomic Bomb Museum.
https://en.wikipedia.org/wiki/Atomic_bombings_of_Hiroshima_and_Nagasaki
  The first Atomic Bomb (called little boy) dropped was on  August 6, 1945 on the city of Hiroshima. The second atomic bomb  (called fatman) dropped was on Nagasaki three days later.  The United States dropped these bombs on Japan in order to end  World War II.Then on August 14, 1945, the Japanese surrendered.  Later on September 2, 1945, the Japanese signed the formal  instrument of surrender.aking the world better, one answer at a time. The U.S. Dropped the Atomic Bombs on Japan because our president beleived that it would save lives in the long run. (especially American lives) Also no one knew the after effects that the radiation would cause because it was never tested over a long period of time.
http://www.answers.com/Q/Why_did_the_United_States_drop_atomic_bombs_on_Japan
The bombing of Hiroshima and Nagasaki. On August 6, 1945 the US dropped an atomic bomb (Little Boy) on Hiroshima in Japan. Three days later a second atomic bomb (Fat Man) was dropped on the city of Nagasaki.These were the only times nuclear weapons have been used in war.Reasons for the bombing.Many reasons are given as to why the US administration decided to drop the atomic bomb on Hiroshima and Nagasaki. Reasons include the following: 1  The United States wanted to force Japan's surrender as quickly as possible to minimize American casualties.easons for the bombing. Many reasons are given as to why the US administration decided to drop the atomic bomb on Hiroshima and Nagasaki. Reasons include the following: 1  The United States wanted to force Japan's surrender as quickly as possible to minimize American casualties.
http://cnduk.org/campaigns/global-abolition/hiroshima-a-nagasaki
On August 9, a second atomic bomb was dropped on Nagasaki, where 80,000 Japanese people perished. On August 14, 1945, the Japanese surrendered. Critics have charged that Truman's decision was a barbaric act that brought negative long-term consequences to the United States.ruman saw little difference between atomic bombing Hiroshima and fire bombing Dresden or Tokyo. The ethical debate over the decision to drop the atomic bomb will never be resolved. The bombs did, however, bring an end to the most destructive war in history.
http://www.ushistory.org/us/51g.asp
1945: US drops atomic bomb on Hiroshima The first atomic bomb has been dropped by a United States aircraft on the Japanese city of Hiroshima.1945: US drops atomic bomb on Hiroshima.945: US drops atomic bomb on Hiroshima The first atomic bomb has been dropped by a United States aircraft on the Japanese city of Hiroshima. 1945: US drops atomic bomb on Hiroshima.
http://news.bbc.co.uk/onthisday/hi/dates/stories/august/6/newsid_3602000/3602189.stm
Washington, D.C., August 5, 2005 - Sixty years ago this month, the United States dropped atomic bombs on Hiroshima and Nagasaki, the Soviet Union declared war on Japan, and the Japanese government surrendered to the United States and its allies.ashington, D.C., August 5, 2005 - Sixty years ago this month, the United States dropped atomic bombs on Hiroshima and Nagasaki, the Soviet Union declared war on Japan, and the Japanese government surrendered to the United States and its allies.
http://nsarchive.gwu.edu/NSAEBB/NSAEBB162/
1 Possibly in excess of 2 million Americans. 2  The United States dropped two atomic bombs to save American lives and speed the end of the war. 3  Prior to using the atomic bomb, Japan was given ultimatums to surrender along with warnings of the dire consequences.4  The Japanese government ignored the warnings. The estimates of American casualties for an invasion of mainland Japan was in excess of 1 million Americans. 2  Possibly in excess of 2 million Americans. 3  The United States dropped two atomic bombs to save American lives and speed the end of the war.
http://www.answers.com/Q/Why_did_the_US_drop_the_atomic_bombs_on_Japan
On August 6, 1945, the United States used a massive, atomic weapon against Hiroshima, Japan. This atomic bomb, the equivalent of 20,000 tons of TNT, flattened the city, killing tens of thousands of civilians.n August 6, 1945, the United States used a massive, atomic weapon against Hiroshima, Japan. This atomic bomb, the equivalent of 20,000 tons of TNT, flattened the city, killing tens of thousands of civilians.
http://history1900s.about.com/od/worldwarii/a/hiroshima.htm
1 The United States dropped two atomic bombs to save American lives and speed the end of the war. 2  Prior to using the atomic bomb, Japan was given ultimatums to surrender along with warnings of the dire consequences. The estimates of American casualties for an invasion of mainland Japan was in excess of 1 million Americans. 2  Possibly in excess of 2 million Americans. 3  The United States dropped two atomic bombs to save American lives and speed the end of the war.
http://www.answers.com/Q/Why_did_the_US_drop_the_atomic_bombs_on_Japan
The Soviet Union had entered the war against Japan, and the atomic bomb could be read as a strong message for the Soviets to tread lightly. In this respect, Hiroshima and Nagasaki may have been the first shots of the Cold War as well as the final shots of World War II.ruman saw little difference between atomic bombing Hiroshima and fire bombing Dresden or Tokyo. The ethical debate over the decision to drop the atomic bomb will never be resolved. The bombs did, however, bring an end to the most destructive war in history.
http://www.ushistory.org/us/51g.asp
why did the united states drop the atomic bomb on japan
The United States drop the atomic bomb on Japan to force Japan's surrender as quickly as possible to minimize American casualties. The United States wanted to force Japan's surrender as quickly as possible to minimize American casualties.