las precidencias fundadoras By facebooker_954330051414556 Period: Oct 12, 1862 to Apr 12, 1868 Bartolomé Mitre https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=15&cad=rja&uact=8&ved=0ahUKEwiC5LbJnrjbAhUFjpAKHQRhBuMQFgiKATAO&url=https%3A%2F%2Fwww.casarosada.gob.ar%2Fgaleria-de-presidentes%2F467-bartolome-mitre-1862-1868%3Ftemplate%3Dblank&usg=AOvVaw34eIyWrR6zyPv6payikW9v Period: Oct 12, 1868 to 1874 Domingo Faustino Sarmiento https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=11&cad=rja&uact=8&ved=0ahUKEwimlabDpbjbAhWIg5AKHYeqBr4QFgh0MAo&url=https%3A%2F%2Fwww.uv.es%2F~fores%2FDOMINGOFAUSTINOSARMIENTO.html&usg=AOvVaw04EC8WgDgLiOXdabXpbTF0 Period: Oct 12, 1874 to Oct 12, 1880 Nicolas Avellaneda https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=16&cad=rja&uact=8&ved=0ahUKEwjDyrWMp7jbAhVEgJAKHWf6DAQQFgieATAP&url=https%3A%2F%2Fwww.siemprehistoria.com.ar%2Fpresidencia-de-nicolas-avellaneda-1874-1880%2F&usg=AOvVaw1OTmuQUS5UNpfvG1du_rDm