1952–1996: The Office of the Council of Ministers (Urząd Rady Ministrów) or URM, is created by the PZPR, with Kazimierz Mijal as its first chief minister following the proclamation of the People's Republic of Poland with the Constitution of 1952.
Graduating from a Tradesmen's Association Commercial School in Warsaw, Mijal became active during World War II, collaborating with Paul Finder, Marcel Nowotko and Bolesław Bierut.
Kazimierz Dolny | Kazimierz Kord | Michał Kazimierz "Rybeńko" Radziwiłł | Kazimierz Sikorski | Kazimierz Sakowicz | Michał Kazimierz Radziwiłł | Kazimierz Wiłkomirski | Kazimierz Serocki | Kazimierz Kuratowski | Jan Kazimierz Denhoff | St. John's church, Jan Kazimierz Wilczyński | Michał Kazimierz Ogiński | Maciej Kazimierz Sarbiewski | Kazimierz Żygulski | Kazimierz Smoleń | Kazimierz Siemienowicz | Kazimierz Moczarski | Kazimierz Mijal | Kazimierz Leski | Kazimierz Kelles-Krauz | Kazimierz Kay-Skrzypeski | Kazimierz Fajans | Kazimierz Dłuski | Kazimierz Biskupi | Kazimierz Bein | Kazimierz Bartoszewicz | Kazimierz Adach | Jóźwin, Gmina Kazimierz Biskupi |