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1945 – July 22 – Truman alludes to Stalin about having successfully detonated an atomic bomb at the Potsdam Conference. [18] [6] 1945 – August 6 – "Little Boy", a gun-type uranium-235 weapon, is dropped on Hiroshima, Japan. 1945 – August 9 – "Fat Man", an implosion-type plutonium-239 weapon, is dropped on Nagasaki, Japan.
At the close of World War II, the Soviet Union had special search teams operating in Austria and Germany, especially in Berlin, to identify and obtain equipment, material, intellectual property, and personnel useful to the Soviet atomic bomb project.
Leaflet sorties were undertaken on 1 and 4 August. Hiroshima may have been leafleted in late July or early August, as survivor accounts talk about a delivery of leaflets a few days before the atomic bomb was dropped. [92] Three versions were printed of a leaflet listing 11 or 12 cities targeted for firebombing; a total of 33 cities listed.
: This date marks the last fighting for American troops in Europe. [citation needed] The front page of The Montreal Daily Star announcing the German surrender, May 7, 1945 7: Germany surrenders unconditionally to the Allies at the Western Allied Headquarters in Rheims, France at 2:41 a.m.
The Joe-1 atomic bomb test by the Soviet Union that took place in August 1949 came earlier than expected by Americans, and over the next several months there was an intense debate within the U.S. government, military, and scientific communities regarding whether to proceed with development of the far more powerful Super. [50]
Mar. 16—The Manhattan Project in New Mexico was front and center in 1945. In nanoseconds, the bombing of Hiroshima and Nagasaki in Japan at the end of World War II changed the nature of warfare ...
This timeline of nuclear power is an incomplete chronological summary of significant events in the study and use of nuclear power. This is primarily limited to sustained fission and decay processes, and does not include detailed timelines of nuclear weapons development or fusion experiments .
The website lets you select your city, pick a type of bomb and the way of delivery, and hit detonate. The map will show the blast radius broken down into fireball, air blast and thermal radiation ...