Small Constitution establishes postwar state frameworkFeb 19, 1947Labels: Small Constitution, SejmSejm ISAPWikipedia
1952 Constitution renames state to Polish People’s RepublicJul 22, 1952Labels: 1952 Constitution, Polish PeopleBerkeley LawcatWikipedia
Polish October brings Gomułka back to leadershipOct 19, 1956Labels: Polish October, W adysBritannicaWikipedia
Student protests spark the 1968 political crisisMar 8, 1968Labels: 1968 Protests, University ofWikipediaUPI Archives
Baltic Coast protests force leadership changeDec 14, 1970Labels: 1970 Coastal, Gomu kaWikipediaWikipedia
Gdańsk Agreement recognizes independent trade unionismAug 31, 1980Labels: Gda sk, SolidarityBritannicaSolidarnosc
Martial law imposed to suppress SolidarityDec 13, 1981Labels: Martial Law, Wojciech JaruzelskiWikipediaBritannica
Round Table Talks open between regime and oppositionFeb 6, 1989Labels: Round Table, SolidarityENRSPolish History
April Novelization amends the 1952 ConstitutionApr 7, 1989Labels: April Novelization, 1952 ConstitutionWikipediaSejm ISAP
Semi-free parliamentary elections deliver Solidarity’s victoryJun 4, 1989Labels: 1989 Elections, SolidarityBritannicaPolish History
Constitutional amendments remove communist party’s “leading role”Dec 29, 1989Labels: constitutional amendments, Republic ofWashington PostArchontology