| YEAR | DATE | EVENT | PRIME MINISTER | GOVERNOR |
| 1900 | 23 july | Part of French West Africa | ||
| 1922 | 26 december | French Colony | Joseph Jules Brévié | |
| 1929 | 9 october | Jean Baptiste Robert Fayout | ||
| 1929 | 21 november | Alphonse-Paul-Albert Choteau | ||
| 1930 | 30 october | Louis Placide Blacher | ||
| 1931 | 9 september | Théophile-Antoine-Pascal Tellier | ||
| 1933 | 25 may | Maurice Léon Bourgine | ||
| 1934 | 25 may | Léon Charles Alphonse Pêtre | ||
| 1935 | 16 march | Joseph-Urbain Court | ||
| 1938 | 29 april | Jean-Baptiste Victor Chazelas | ||
| 1939 | 18 february | Jean Alexandre Léon Rapenne | ||
| 1940 | 7 november | Léon Solomiac | ||
| 1940 | 8 december | Maurice Émile Falvy | ||
| 1942 | 4 march | Jean François Toby (I) | ||
| 1946 | 30 april | Jacques Gosselin | ||
| 1946 | 13 october | French overseas territory | Jean-François Toby (II) | |
| 1948 | 24 november | Lucien Geay | ||
| 1949 | 25 february | Igance Colombani | ||
| 1950 | 29 march | Jean-François Toby (III) | ||
| 1952 | 11 february | Fernand Georges Gaston Casimir | ||
| 1953 | 23 february | Jean François Toby (IV) | ||
| 1954 | 21 december | Jean Paul Ramadier | ||
| 1956 | 3 november | Paul Camille Bordier | ||
| 1958 | 29 january | Louis Félix Rollet | ||
| 1958 | 25 august | Jean Colombani | ||
| 1958 | 19 december | Independent into French Comunity | Hamani Diori | Jean Colombani |