The Prague Spring happened in Czechoslovakia during the era of its domination by the Sovier Union after World War II—-highly centralized communism and in the Eastern Bloc were the typical characteristics of the times.
The Prague spring was a period of political liberalization in Czechoslovakia . It perposed to economy decentralized and democratization. It began on January 5, 1968, when reformist Slovak Alexander Dubček came to power, and continued until August 21, but it was not accepted by the Soviets who sent thousands of Warsaw Pact troops and tanks to halt the reforms and to occupy the country until 1990.
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