Italian Socialist Party was created in 1892.
Italian Revolutionary Socialist Party was created in 1881.
New Italian Socialist Party was created on 2001-01-20.
Italian Socialist Party of Proletarian Unity was created on 1964-01-12.
Italian Socialist Party ended in 1994.
The Italian Socialists was created on 2006-02-07.
Freedom Socialist Party was created in 1966.
Socialist Party - Panama - was created in 1933.
Socialist Reich Party was created in 1949.
Portuguese Socialist Party was created in 1875.
Gabonese Socialist Party was created in 1992.
Valencian Socialist Party was created in 1962.
Socialist Party of Latvia was created in 1994.