query: When did Slovakia separate from the Czech Republic?
passage: Dissolution of Czechoslovakia
The Dissolution of Czechoslovakia (Czech: Rozdělení Československa, Slovak: Rozdelenie Česko-Slovenska), which took effect on 1 January 1993, was an event that saw the self-determined split of the federal state of Czechoslovakia into the Czech Republic and Slovakia, entities that had arisen before as the Czech Socialist Republic and the Slovak Socialist Republic in 1969 within the framework of a federal republic.
passage: Regions of Slovakia
In 1928–1939 (and formally also 1945–1948) Slovakia as a whole formed the administrative unit "Slovak land" ("Krajina slovenská") within Czechoslovakia.Each kraj was named after its principal city.Note: The "kraje" were abolished from July 1, 1969 to December 28, 1970 and reintroduced then.