Social Democrat Party (Chile)

Social Democrat Party
Partido Social Demócrata
Founded11 September 1967
Dissolved11 August 1972
Split fromNational Democratic Party
Merged intoRadical Party
HeadquartersSantiago, Chile
IdeologySocial liberalism
Social democracy
Progressivism
Political positionCentre-left
National affiliationPopular Unity

The Social Democrat Party (Spanish: Partido Social Demócrata, PSD) was a political party of Chile founded on 11 September 1967 by the Senator Luis Fernando Luengo and the Deputy Patricio Hurtado Pereira.