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US Begins To Research NUclear Weapons
US government begins to fund its own atomic weapons development program. -
Period: to
October 21 1940 - August 15 1945 Hiroshima & Nagasaki
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Germany Surrenders
Allies defeat Germany -
US Successfully Makes An Atomic Bomb
Scientists of the Manhattan Project ran their first successful atomic device test at the Trinity test site at Alamogordo, New Mexico. -
Japan Refuses To Surrender
Late July, 1945 Japan refuses to surrender after being asked to do so by the Allies. -
Hiroshima Bombed
At 8:15 am the atomic bomb was put in a parachute and let go, and it exploded 2000 feet above Hiroshima, making a blast equivalent to 15000 tons of TNT. Five square miles of the city was flattened. -
Nagasaki Bombed
A second atomic bomb was dropped on Nagasaki, and it destroyed 2.6 square miles of the city. -
Japan Surrenders
At noon, on August 15th, 1945 Emperor Hirohito announced that Japan had surrendered, on a radio broadcast. World War II ended.