The Soviet Union tests its first atomic bomb, RDS-1 or First Lightning on 29 August 1949, at Semipalatinsk, Kazakh SSR, after a top-secret R&D project.Read more
The Soviet Union tests its first atomic bomb, RDS-1 or First Lightning on 29 August 1949, at Semipalatinsk, Kazakh SSR, after a top-secret R&D project.