Social Democracy of the Republic of Poland
The Social Democracy of the Republic of Poland ( pl. Socjaldemokracja Rzeczypospolitej Polskiej, SdRP ) from 1991 to 1999, the largest social-democratic party in Poland.
The SdRP was founded in January 1990 by members of the PZPR dissolved. Since 1991 she has been the leading force in the left coalition movement SLD. In 1999, the SdRP disbanded. Its members were endorsed by the SLD founded as a regular party.