Category
page 11949 in the Soviet Union

RDS-1
The RDS-1 (), also known as First Lightning (), was the first nuclear weapons test that was conducted by the Soviet Union. It was detonated on 29 August 1949 at 7:00 a.m. Kazakhstan Time (decree time) (UTC+06:00), at the Semipalatinsk Test Site in the Kazakh Soviet Socialist Republic, and yielded 22 kilotons of TNT.
Operation Priboi
code name for the Soviet mass deportation from the Baltic states on 25–28 March 1949
Leningrad Affair
series of criminal cases in the Soviet Union
Khabarovsk War Crime Trials
war crimes trial held in December 1949

anti-cosmopolitan campaign
thinly disguised antisemitic campaign in the Soviet Union and Eastern Bloc, 1948–1953
1949 Khait earthquake
Earthquake in present-day Tajikistan