| YEAR | DATE | EVENT | GOVERNOR |
| 1789 | UK Indian Territory of Andamane | ||
| 1868 | 16 october | UK Indian Territory of Nicobare | |
| 1942 | 23 march | Japan occupation | |
| 1945 | 6 october | UK Indian territory | Charles Francis Waterfall |
| 1946 | Noel Kennedy Paterson | ||
| 1947 | 15 august | Indian Provence | |
| 1950 | 26 january | Indian Territory | |
| 1956 | 1 november | Indian Union Territory |