Argentine Socialist Vanguard Party (in Spanish

Spanish language

Spanish , also known as Castilian , is a Romance language in the Ibero-Romance group that evolved from several languages and dialects in central-northern Iberia around the 9th century and gradually spread with the expansion of the Kingdom of Castile into central and southern Iberia during the...

: Partido Socialista Argentino de Vanguardia) was a political party

Political party

A political party is a political organization that typically seeks to influence government policy, usually by nominating their own candidates and trying to seat them in political office. Parties participate in electoral campaigns, educational outreach or protest actions...

 in Argentina

Argentina

Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

. PSAV was founded around 1960 as a leftist split from the Argentine Socialist Party (PSA). The founder of PSAV was Alexis Latendorff. The remaining PSA became known as 'PSA (Casa del Pueblo)'.

In the congress of PSAV in 1961 in Córdoba

Córdoba, Argentina

Córdoba is a city located near the geographical center of Argentina, in the foothills of the Sierras Chicas on the Suquía River, about northwest of Buenos Aires. It is the capital of Córdoba Province. Córdoba is the second-largest city in Argentina after the federal capital Buenos Aires, with...

, PSAV explicitly adopted Marxism-Leninism

Marxism-Leninism

Marxism–Leninism is a communist ideology, officially based upon the theories of Marxism and Vladimir Lenin, that promotes the development and creation of a international communist society through the leadership of a vanguard party over a revolutionary socialist state that represents a dictatorship...

 and a politico-military revolutionary strategy.

PSAV later split up, into Popular Vanguard and Communist Vanguard

Liberation Party (Argentina)

The Liberation Party is a communist party in Argentina. The party has its roots in the Argentine Socialist Vanguard Party . It emerged as the Communist Vanguard , evolving into the Marxist-Leninist Communist Party in 1976, before adopting the name PL in 1983...

.