The Polish Social Democratic Union ( pl, Polska Unia Socjaldemokratyczna, PUS) was a

social-democratic Social democracy is a Political philosophy, political, Social philosophy, social, and economic philosophy within socialism that supports Democracy, political and economic democracy. As a policy regime, it is described by academics as advocati ...

political party A political party is an organization that coordinates candidates to compete in a particular country's elections. It is common for the members of a party to hold similar ideas about politics, and parties may promote specific ideological or p ...

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populou ...

that existed from 1989 to 1992. It was founded in 1989 under the name Social Democratic Union (''Unia Socjaldemokratyczna''), under the leadership of Tadeusz Fiszbach with 25 parliamentary deputies, and changed its name in 1990. Along with the Social Democracy of the Republic of Poland, it's one of the successor parties of the

Polish United Workers' Party The Polish United Workers' Party ( pl, Polska Zjednoczona Partia Robotnicza; ), commonly abbreviated to PZPR, was the communist party which ruled the Polish People's Republic as a one-party state from 1948 to 1989. The PZPR had led two other lega ...

(PZPR). The party itself was succeeded by the

Labour Union A trade union (labor union in American English), often simply referred to as a union, is an organization of workers intent on "maintaining or improving the conditions of their employment", ch. I such as attaining better wages and benefits (su ...

References

1990 establishments in Poland 1992 disestablishments in Poland Defunct social democratic parties in Poland Political parties disestablished in 1992 Political parties established in 1990 {{Poland-party-stub