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	Pre-1918	1918–1938	1938–1945		1945–1948	1948–1989		1989–1992	1993–
Bohemia Moravia Silesia	Austrian Empire	First Republic^a	Sudetenland^b		Third Republic	Fourth Republic^e 1948–1960	Czechoslovak Socialist Republic^f 1960–1990	Czech and Slovak Federative Republic 1990–1992	Czech Republic
			Second Republic^c 1938–1939	Protectorate of Bohemia and Moravia 1939–1945
Slovakia	Kingdom of Hungary			Slovak Republic 1939–1945					Slovakia
				Southern Slovakia and Carpathian Ukraine^d
Subcarpathian Ruthenia					Zakarpattia Oblast^g 1944 / 1946 – 1991			Zakarpattia Oblast^h 1991–present
	Austria-Hungary		Czechoslovak government-in-exile
^a ČSR; boundaries and government established by the 1920 constitution. ^b Annexed by Nazi Germany. ^c ČSR; included the autonomous regions of Slovakia and Subcarpathian Ruthenia. ^d Annexed by Hungary (1939–1945).			^e ČSR; declared a "people's democracy" (without a formal name change) under the Ninth-of-May Constitution following the 1948 coup. ^f ČSSR; from 1969, after the Prague Spring, consisted of the Czech Socialist Republic (ČSR) and Slovak Socialist Republic (SSR). ^g Oblast of the Ukrainian SSR. ^h Oblast of Ukraine.

Czechoslovakia