Founded in 1856, it is the oldest political party in Argentina still active.

[3][4] The Party had its origins in the Federalist traditions of Corrientes and was founded on 15 December 1856 by Juan Eusebio Torrent.

From its beginning, the party supported Bartolomé Mitre at the national level.

[3] The Party's leading past figures include Juan Balestra, a government minister under Carlos Pellegrini, Raimundo Meabe who governed Salta and Buenos Aires provinces, and Juan R. Aguirre Lanari, a senator and government minister.

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