Socialist Vanguard Party was created in 1945.
Workers' Vanguard Party was created in 1978.
People's Vanguard Party was created in 1931.
Freedom Socialist Party was created in 1966.
Vanguard Unionist Progressive Party was created in 1972-02.
Communist Vanguard of the Revolutionary Workers' Party was created in 1977.
Indonesian Democratic Vanguard Party was created on 2003-01-10.
Socialist Party of Ontario was created in 2011.
Socialist Party of Albania was created in 1991.
Socialist Party of Latvia was created in 1994.
Rwandese Socialist Party was created in 1991.
Socialist Party of Tajikistan was created in 1996.
Socialist Party - Australia - was created in 1985.