What is List of prime ministers of Czechoslovakia?
{{Infobox official post | post = Prime Minister | body = Czechoslovakia | native_name = {{lang-cs|Předseda vlády Československa}}<br>{{lang-sk|Predseda vlády Česko-Slovenska}} | insignia = Coat of arms of the Czech and Slovak Federal Republic.svg | insigniasize = | insigniacaption = '''[[Coat of arms of Czechoslovakia|Coat of arms]]''' | flag = | flagsize = | flagborder = | flagcaption = | image = Lubomír Štrougal - P1059081.jpg | imagesize = | imagecaption = '''Longest serving<br>[[Lubomír Štrougal]]'''<br>28 January 1970 – 12 October 1988 | alt = | incumbent = | acting = | incumbentsince = | department = | style = | type = | status = | abbreviation = | member_of = | reports_to = | residence = | seat = | nominator = | appointer = [[List of Presidents of Czechoslovakia|The President]] | appointer_qualified = | termlength = | termlength_qualified = | constituting_instrument = | precursor = | formation = 14 November 1918 | first = [[Karel Kramář]] | last = [[Jan Stráský]] | abolished = 31 December 1992 | succession = {{flagicon|Czech Republic}} [[Václav Klaus]]<br>{{flagicon|Slovakia}} [[Vladimír Mečiar]] | unofficial_names = | deputy = | salary = | website = }} The '''Prime Minister of Czechoslovakia''' ({{lang-cs|Předseda vlády Československa}}, {{lang-sk|Predseda vlády Česko-Slovenska}}) was the [[head of government]] of [[Czechoslovakia]], from the [[Origins of Czechosl