Video: 'First Soviet atomic blast (1949)'

(Monday, August 29, 1949, 7:00 a.m. local time; during the Cold War) — The Soviet Union conducted its first nuclear weapons test today, exploding the RDS-1 at the Semipalatinsk Test Site in the northeast of the Kazakh SSR, ending the absolute U.S. monopoly on nuclear weapons. Continue reading Soviets test first nuclear bomb, ending American nuclear monopoly 70 years ago this hour #OnThisDay #OTD (Aug 29 1949) →