# Polish Social Democratic Union

> social-democratic political party in Poland that existed from 1990 to 1992

**Wikidata**: [Q7209983](https://www.wikidata.org/wiki/Q7209983)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Polish_Social_Democratic_Union)  
**Source**: https://4ort.xyz/entity/polish-social-democratic-union