so-called caudillo era. The battle would later be followed by a second Battle of Cepeda (1859), which involved clashes between the Unitarian and the Federalist forces, ending with the annexation of Buenos Aires into the union. See also History of Argentina United Provinces of the Río de la Plata Supreme Director of the United Provinces of the Río de la Plata Liga Federal References Cepeda (1820) 1820 in Argentina Conflicts in 1820 February 1820 events History of Buenos Aires Province