Estado oligárquico By facebooker_3320178838003337 Period: 1880 to 1886 Roca Period: 1880 to 1916 Estado oligárquico Period: 1886 to 1890 Juarez Celman Period: 1890 to 1892 Pellegrini Period: 1892 to 1895 Luis Sáenz Peña Period: 1894 to 1906 Quintana Period: 1895 to 1898 Uriburu Period: 1898 to 1904 Roca Period: 1906 to 1910 Fiegueroa Alcorta Period: 1910 to 1914 Roque Sáenz Peña Period: 1914 to 1916 Victorino de la Plaza 1916 Yrigoyen