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| YEAR | DATE | EVENT | GOVERNOR |
| 1834 | 12 february | U.S. colony | James Hall |
| 1836 | 12 february | Oliver Holmes, Jr. | |
| 1836 | 28 september | John Russwurm | |
| 1841 | 2 february | State | John Russwurm |
| 1851 | 9 june | Samuel Ford McGill | |
| 1854 | 29 may | Independent state | William A. Prout |
| 1856 | april | Boston Jenkins Drayton | |
| 1857 | 18 march | Union to Liberia Republic |