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| YEAR | DATE | EVENT | GOVERNOR |
| 1837 | 17 january | Winburg Republic | Andries Hendrik Potgieter |
| 1838 | 1 september | Andries Pretorius | |
| 1844 | 9 april | Andries Hendrik Potgieter (II) | |
| 1846 | 1 september | Johannes Gerhardus Stephanus Bronkhorst | |
| 1846 | 22 september | Andries Hendrik Potgieter (III) | |
| 1848 | 3 february | Union to Orange |
| YEAR | DATE | EVENT | PRIME MINISTER |
| 1856 | 17 december | Republic | Philippus Jeremias Coetser |
| 185x | Cornelis Potgieter | ||
| 1860 | 4 april | Union to Transvaal Republic |