Aug 9, 1945 CE: A-Bomb Drops on Nagasaki

Aug 9, 1945 CE: A-Bomb Drops on Nagasaki

On August 9, 1945, the United States dropped an atomic bomb on Nagasaki, Japan, destroying the city.


6 - 12


Geography, Social Studies, U.S. History, World History

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On August 9, 1945, the United States dropped an atomic bomb on Nagasaki, Japan, destroying parts of the city. The city of Hiroshima had been bombed three days earlier. Japan surrendered in mid August (sources cite August 14 or August 15). Soon after, on September 2, World War II officially ended.

The bombs dropped on Hiroshima, Japan, and Nagasaki remain the only nuclear weapons ever used in warfare. Because of their ability to inflict mass destruction, and despite the proliferation of nuclear weaponry that followed World War II, many treaties have been signed to curtail their use and distribution.

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National Geographic Society
Mary Crooks, National Geographic Society
Last Updated

May 20, 2022

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