Czechoslovakia Československo Czech-language terms are followed by Slovak-language terms when the terms differ Sources Polity Style: 1918-1939 Polity Style: 1945-1992 Heads of State: 1918-1939 Heads of State: 1945-1992 Protectorate of Bohemia and Moravia Last updated on: 27 Jul 2020 21:00:00