World War II

At 05:29 AM on 16 July 1945, the United States detonated the world's first nuclear device — code-named "The Gadget" — at the Trinity test site in the Jornada del Muerto desert, New Mexico. The explosion released energy e…

On 15 August 1945, Emperor Hirohito of Japan announced the country's unconditional surrender via radio broadcast, following the atomic bombings of Hiroshima (6 August) and Nagasaki (9 August) and the Soviet declaration o…