| YEAR | DATE | EVENT | PRESIDENT | PRIME MINISTER | GOVERNOR | 
| 1897 | 28 february | French colony |  |  | Joseph Simon Galliéni | 
| 1905 | 11 may |  |  |  | Charles-Louis Lépreux | 
| 1905 | december |  |  |  | Victor Augagneur | 
| 1909 | 13 december |  |  |  | Hubert-Auguste Garbit (I) | 
| 1910 | 16 january |  |  |  | Henri François Charles Core | 
| 1910 | 31 october |  |  |  | Albert-Jean-George-Marie-Louis Picquié | 
| 1914 | 5 august |  |  |  | Hubert-Auguste Garbit (II) | 
| 1917 | 24 july |  |  |  | Martial-Henri Merlin | 
| 1918 | 1 august |  |  |  | Abraham Schrameck | 
| 1919 | 12 july |  |  |  | Marie-Casimir-Joseph Guyon | 
| 1920 | 22 june |  |  |  | Hubert-Auguste Garbit (III) | 
| 1923 | 13 march |  |  |  | Auguste-Charles-Désiré-Emmanuel Brunet | 
| 1924 | 20 february |  |  |  | Marcel Achille Olivier | 
| 1929 | 30 january |  |  |  | Hugues Jean Berthier | 
| 1930 | 1 may |  |  |  | Léon Henri Charles Cayla (I) | 
| 1939 | 22 april |  |  |  | Léon Maurice Valentin Réallon | 
| 1939 | 10 june |  |  |  | Jules Marcel de Coppet (I) | 
| 1940 | 30 july |  |  |  | Léon Henri Charles Cayla (II) | 
| 1941 | 11 april |  |  |  | Armand Léon Annet | 
| 1942 | 25 september | UK Occupation |  |  | Bech | 
| 1943 | 7 january |  |  |  | Paul Louis Victor Marie Legentilhomme | 
| 1943 | 3 may |  |  |  | Pierre de Saint-Mart | 
| 1946 | 27 march |  |  |  | Robert Boudry | 
| 1946 | 19 may |  |  |  | Jules Marcel de Coppet (II) | 
| 1946 | 27 october | French overseas territory |  |  | 
| 1948 | february |  |  |  | Pierre Gabriel de Chevigné | 
| 1950 | 3 february |  |  |  | Robert Isaac Bargues | 
| 1953 |  |  |  |  | Jean Louis Marie André Soucadaux | 
| 1958 | 14 october | Independente into the French Comunity |  | Philibert Tsiranana | Jean Louis Marie André Soucadaux | 
| 1959 | 1 may |  | Philibert Tsiranana | - | - |