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The Manhattan Project comes to a successful end as the first atomic bomb ever used is tested in Alamogordo, New Mexico. The code word for the test detonation was 'Trinity'.
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On August 6, 1945 at 8:15 am, the world's first atomic bomb that was used as a weapon was dropped over the Japanese city of Hiroshima. The bomb, nicknamed "Little Boy", instantly killed 80,000 people.
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On the 8th of August 1945, the Soviet Union officially declared war on Japan and invaded Japan-occupied Manchuria with more than 1 million soldiers.
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Originally intended to drop over Kokura, Japan, a B-29 operated by Maj. Charles Sweeny is dropped over Nagasaki, Japan. 70,000 people died instantly. Japan decided to surrender as soon as possible.
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The president at the time, President Truman, talks to the U.S. over the radio, announcing that the first atomic bomb had been dropped in Hiroshima.
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Japanese citizens were notified of Japans surrender to the Allies on this day (However, on August 15, this news was spread to the rest of the world).
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General Jonathan Wainwright, who was captured in Manchuria by the Japanese, became free by Russian forces.
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On this day, American B-29s snuck in over the skies and delivered supplies to Allied POW.
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The formal surrendering of Japan was held as a ceremony in Tokyo on a day now known as V-J Day. This was considered the end of World War 2.
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A total of over 50 nations signed the United Nations Charter, a treaty designed to create as much peace and harmony between the countries as possible.
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