Socialist Workers Party (Finland) Tags: Political Party.Socialist Workers’ Party (Finnish: Sosialistinen Työväenpuolue Swedish: Socialistiska Arbetarepartiet) was a political party in Finland. The STP was founded in 1973 as split from Social Democratic Union of Workers and Smallholders (TPSL). country Finland formation date 1973-05-05 formation year 1973-01-01T00:00:00+02:00 ideology Socialism split from party Social Democratic Union of Workers and Smallholders youth wing Socialist_Youth_League_of_Finland Learn more... Loading...