La Reconstrucción Nacional (1870-1880) By JorgeContrera Period: Aug 31, 1870 to Sep 1, 1870 Facundo Machaín Period: Sep 1, 1870 to Dec 18, 1871 Cirilo Antonio Rivarola Period: Dec 18, 1871 to Nov 25, 1874 Salvador Jovellanos Period: Nov 25, 1874 to Apr 12, 1877 Juan B. Gill Period: Apr 12, 1877 to Nov 25, 1878 Higinio Uriarte Period: Nov 25, 1878 to Sep 4, 1880 Cándido Bareiro