| YEAR | DATE | EVENT |
| 1624 | Portuguese colony | |
| 1680 | Portuguese colony of Nova Colônia do Sacramento | |
| 1726 | Part of Spanish colony of Rio della Plata | |
| 1811 | december | Portuguese/Brazilian occupation |
| 1812 | march | Part of Spanish colony of Rio della Plata |
|
|
| YEAR | DATE | EVENT |
| 1821 | 18 july | Brazilian state of Cisplatine |
|
| YEAR | DATE | EVENT | GOVERNOR |
| 1825 | 25 august | Argentina Provence of Montevideo | Juan Antonio Lavalleja y de la Torre |
|
| YEAR | DATE | EVENT | GOVERNOR |
| 1828 | 1 december | State of Montevideo | Joaquín Luis Miguel Suárez de Rondelo y Fernández |
| 1828 | 22 december | José Casimiro Rondeau Pereyra | |
| 1830 | 17 april | Juan Antonio Lavalleja y de la Torre |