Social Democratic Federation (United States)

This article is about the American political party from 1936. For the earlier party, see Social Democratic Federation (U.S., 1889).
Social Democratic Federation
Founded1936
Dissolved1956
Preceded byCPSP
Merged intoSPA (majority)
Succeeded byDSF (minority)
IdeologySocial democracy
Political positionLeft-wing
Social Democratic Federation dues stamps were applied continuously to regular SPA dues booklets in 1936 & 1937.

The Social Democratic Federation of the United States of America (SDF) was a political party in the United States, formed in 1936 by the so-called "Old Guard" faction of the Socialist Party of America. The SDF later merged again with the Socialist Party in 1957 to form the Socialist Party-Social Democratic Federation (SP-SDF).[1]

  1. ^ Social Democratic Federation Papers Finding Aid Archived 2012-03-04 at the Wayback Machine, Tamiment Library, New York University. Retrieved February 7, 2010.