| YEAR | DATE | EVENT | GOVERNOR |
| 1849 | 5 august | Part of French Senegal | |
| 1893 | 10 march | French colony | Paul Jean François Cousturier (I) |
| 1893 | april | Noël-Eugène Ballay | |
| 1895 | 23 april | Paul Jean François Cousturier (II) | |
| 1895 | 16 june | Part of French West Africa colony | |
| 1946 | 13 october | French overseas territory | Édouard Louis Terrac |
| 1948 | january | Roland Joanes Louis Pré | |
| 1951 | 9 february | Paul Henri Sirieix | |
| 1953 | april | Jean Paul Parisot | |
| 1955 | 23 june | Charles-Henri Bonfils | |
| 1956 | 3 june | Jean Paul Ramadier | |
| 1958 | 29 january | Jean Mauberna |