Politics of Slovakia takes place in a framework of a parliamentary representative democratic republic, with a multi-party system. Legislative power is vested in the parliament and it can be exercised in some cases also by the government or directly by citizens. Executive power is exercised by the government led by the Prime Minister. The Judiciary is independent of the executive and the legislature. The President is the head of the state. History Before the 1989 revolution, Czechoslovakia was a socialist dictatorship ruled by the Communist Party of Czechoslovakia, technically together with the coalition of the so-called National Front. Before the free democratic elections could take place after the revolution, a transitional government was created. 1989 President of Czechoslovakia Gustáv Husák sworn in the Government of National Understanding (, ) headed by Marián Čalfa and he himself abdicated. It consisted of 10 communists and 9 non-communists and its main goal was to prepare for democratic elections, to establish market economy in the country and to start preparing a new constitution. On 8–9 June 1990, the Czechoslovak parliamentary election of 1990 took place. Čalfa's second government was disbanded on 27 June 1990, when it was replaced by the Government of National Sacrifice (, ), also headed by Marián Čalfa. On 5–6 June 1992, the last elections in Czechoslovakia, the Czechoslovak parliamentary election of 1992 took place. Čalfa's third government was disbanded on 2 July 1992, when it was replaced by the Caretaker Government of Jan Stráský (, ), headed by Jan Stráský. The caretaker government was disbanded on 31 December 1992 together with the dissolution of the Czech and Slovak Federative Republic. Due to federalism, immediately after the 1989 revolution, two national governments (one for the Czech Republic, one for Slovakia) were created as well under the federal Czechoslovak government. In Slovakia it was headed by Milan Čič and it was established on 12 December 1989 and disbanded on 26 June 1990. On 8–9 June 1990, the Slovak parliamentary election of 1990 took place together with the federal Czechoslovak elections. Čič's government was followed by the First Government of Vladimír Mečiar (1990-1991), Government of Ján Čarnogurský (1991-1992) and the Second Government of Vladimír Mečiar (1992-1994). On 5–6 June the Slovak parliamentary election of 1992 took place. Legal system The Constitution of the Slovak Republic was ratified 1 September 1992 and became effective 1 October 1992 (some parts 1 January 1993). It was