| YEAR | DATE | EVENT | GOVERNOR |
| 1474 | 1 january | Portuguese colony | |
| 1778 | 1 march | Spanish Occupation | |
| 1827 | UK Occupation | William Owens | |
| 1829 | Edward Nicolls (I) | ||
| 1830 | John Beecroft (I) | ||
| 1832 | Edward Nicolls (II) | ||
| 1833 | John Beecroft (II) | ||
| 1854 | 10 june | James Lynslager | |
| 1855 | Spanish Occupation | Domingo Mustrich | |
| 1858 | Carlos de Chacón y Michelena | ||
| 1858 | José de la Gándara y Navarro | ||
| 1862 | june | Pantaleón López Ayllón | |
| 1865 | José Gómez Barrera | ||
| 1868 | Joaquín Souza Gallardo | ||
| 1869 | Antonio Maymó | ||
| 1869 | Zoilo Sánchez Ocaña | ||
| 1871 | Frederico Anrich | ||
| 1872 | Ignacio García Tudela | ||
| 1875 | Diego Santisteban Chamorro | ||
| 1877 | Alejandro Arias Salgado | ||
| 1879 | Enrique Santaló | ||
| 1880 | José Montes de Oca (I) | ||
| 1883 | Antonio Cano | ||
| 1885 | José Montes de Oca (II) | ||
| 1887 | Luis Navarro | ||
| 1888 | Antonio Morena Guerra | ||
| 1889 | José de Ibarra | ||
| 1890 | José Gómez Barreda | ||
| 1890 | José de Barrasa | ||
| 1892 | Antonio Martínez | ||
| 1892 | Eulogio Merchán | ||
| 1893 | José de la Puente Basseve | ||
| 1895 | Adolfo de España y Gómez de Humarán | ||
| 1897 | Manuel Rico | ||
| 1898 | José Rodríguez Vera | ||
| 1900 | Francisco Dueñas | ||
| 1901 | José de Ibarra Autrán | ||
| 1905 | José Gómez de la Serna | ||
| 1906 | Diego Saavedra y Magdalena | ||
| 1906 | Ángel Barrera y Luyando (I) | ||
| 1907 | Luis Ramos Izquierdo | ||
| 1908 | José Centeño Anchorena | ||
| 1910 | Ángel Barrera y Luyando (II) | ||
| 1924 | Carlos Tovar de Revilla | ||
| 1926 | Union to Rio Muni in Spanish Equatorial Guinea |