nov 1, 1952 - Hydrogen bomb
Description:
Edward Teller, Stanislaw M. Ulam, and other American scientists developed the first hydrogen bomb, which was tested at Enewetak atoll on November 1, 1952. The U.S.S.R. first tested a hydrogen bomb on August 12, 1953, followed by the United Kingdom in May 1957, China (1967), and France (1968).
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