|   | 
|   | 
| YEAR | DATE | EVENT | GOVERNOR | 
| 1846 | UK crown colony | Sir James Brooke | |
| 1848 | William Napier | ||
| 1850 | John Scott | ||
| 1856 | George Warren Edwards | ||
| 1861 | Jeremiah Thomas Fitzgerald Callaghan | ||
| 1866 | Hugh Low | ||
| 1867 | John Pope Hennessey | ||
| 1871 | Henry Ernest Gascoyne Bulwer | ||
| 1875 | Herbert Tylor Ussher | ||
| 1879 | Chalres Cameron Lees | ||
| 1881 | Peter Leys | ||
| 1888 | Arthur Shirley Hamilton | ||
| 1890 | 1 january | Union to Sabah | |
| 1942 | 3 january | Japan occupation | |
| 1945 | 10 june | Part of UK colony of North Borneo | 
| YEAR | DATE | EVENT | 
| 1963 | 16 september | Part of Malaysia | 
| 1984 | 16 april | Federal Territory of Malaysia |