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Czechoslovakia. Badge associated with the Communist Party of Czechoslovakia, 1930s
The Communist Party of Czechoslovakia (in Czech: Komunistická strana Československa, KSČ) was the main Marxist-Leninist party in Czechoslovakia for much of the 20th century. Founded in 1921 after a split from the Social Democratic Party, the KSČ played a central political role in both the resistance and the consolidation of the Czechoslovak socialist state.