CENTRAL AMERICA Presidents Alejandro Díaz Cabeza de Vaca Supreme Chiefs of State 1823-24 Juan Barrundia Supreme Chiefs of State 1824-26 José Domingo Estrada Supreme Chiefs of State 1827 Mariano de Aycinena 1789-1855 Supreme Chiefs of State 1827-29 Mariano Zenteno 1773-1838 Supreme Chiefs of State 1829 Juan Barrundia Supreme Chiefs of State 1829 Pedro Molina 1777-1854 Supreme Chiefs of State 1829-31 Gregorio Márquez Supreme Chiefs of State 1831 José Mariano Gálvez 1794-1862 Supreme Chiefs of State 1831-38 Pedro José Valenzuela 1797-18.. Supreme Chiefs of State 1838 Mariano Rivera Paz 1804-1849 Supreme Chiefs of State 1838-39 Carlos Salazar 1800-1867 Supreme Chiefs of State 1839 Mariano Rivera Paz 1804-1849 Supreme Chiefs of State 1839