21 August 1968
War & ConflictWarsaw Pact invasion of Czechoslovakia
About this moment
On 20–21 August 1968, the Czechoslovak Socialist Republic was jointly invaded by four fellow Warsaw Pact countries: the Soviet Union, the Polish People's Republic, the People's Republic of Bulgaria, and the Hungarian People's Republic. The invasion stopped Alexander Dubček's Prague Spring liberalisation reforms and strengthened the authoritarian wing of the Communist Party of Czechoslovakia (KSČ). About 250,000 Warsaw Pact troops (rising afterwards to about 500,000), supported by thousands of tanks and hundreds of aircraft, participated in the overnight operation, which was code-named Operation Danube.
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People
- Alexander Dubček · 1921 CE – 1992 CE
- Leonid Brezhnev · 1906 CE – 1982 CE
- Richard Nixon · 1913 CE – 1994 CE