| 1945/07/16 |
World's first detonation of a nuclear weapon |
Trinity Site, White Sands Missile Range
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| 1945/08/06 |
The United States Air Force, Boeing B-29 Superfortress, 'Enola Gay', piloted by Col Paul W Tibbets drops Little Boy, a uranium gun-type atomic bomb, on the Japanese city of Hiroshima. |
Hiroshima Peace Memorial (Genbaku Dome), Hiroshima
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| 1945/08/06 |
American President Harry S Truman calls for Japan's surrender, warning to "expect a rain of ruin from the air, the like of which has never been seen on this earth." |
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| 1945/08/09 |
The Fat Man, a plutonium implosion-type bomb, is dropped by The Great Artiste over Nagasaki's industrial valley. |
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| 1945/08/16 |
Ten days after the bombing of Hiroshima, Japan announces its surrender to the Allies. |
Hiroshima Peace Memorial (Genbaku Dome), Hiroshima
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| 1949/09/03 |
A US Air Force reconnaissance plane flying over the North Pacific picks up radioactive particles that had drifted from Central Asia. Analysis by J R Oppenheimer and others determines that the USSR had tested an atomic bomb between August 26 and 29. |
Northern Pacific,
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