Czechoslovak Republic (Czech and Slovak: Československá republika, ČSR), was the official name of Czechoslovakia between 1918 and 1939 and between 1945 and 1960. See:
First Czechoslovak Republic (1918–1938) Second Czechoslovak Republic (1938–1939) Czechoslovak government-in-exile (1939–1945) Third Czechoslovak Republic (1945–1948) Socialist Czechoslovakia (1948–1960)