The Constitution of the Czech Republic (Czech: Ústava České republiky) is the supreme law of the Czech Republic. The current constitution was adopted by the Czech National Council on 16 December 1992. It entered into force on 1 January 1993, replacing the 1960 Constitution of Czechoslovakia and the constitutional act No. 143/1968 Col., when Czechoslovakia gave way to the Slovak Republic and the Czech Republic in a peaceful dissolution.