The 1957 1000 km Buenos Aires took place on 20 January, on the Circuito de la Costanera Norte, for this event, was moved from its previous venue, the Autódromo Municipal-Avenida Paz, a 45,000 capacity motor racing circuit in Buenos Aires, Argentina built in which year?
Autódromo Juan y Oscar Gálvez The Autódromo de Buenos Aires Juan y Oscar Gálvez (official name) is a 45,000 capacity motor racing circuit in Buenos Aires, Argentina built in 1952 under president Juan Perón, named "Autódromo 17 de Octubre" after the date of Loyalty Day until Perón's overthrow. It was later renamed after Argentinian racing driver brothers, Juan Gálvez and Oscar Alfredo Gálvez.
Estadio Presidente Perón The Estadio Presidente Juan Domingo Perón is a multi-use stadium in Córdoba, Argentina. It is currently used primarily for football matches. The stadium has a capacity of 26,535 of which 13,000 are seated and was opened in 1951. It is named after the former Argentine president Juan Perón who loaned the club $1.5 million Pesos during the late 1940s to help build the stadium. The debt was then written off by Arturo Frondizi in 1959. Before the death of Perón in 1974 the stadium was named El Estadio Monumental de Alta Córdoba.