| 1839 |
| July | 25 survivors of the Tregardt trek evacuated from Lourenço Marques |
| October | Mpande flees into Natal with his followers |
| December | 24th
Jervis evacuates Port Natal |
| 1840 |
| January | 14th
Pretorius leads Beeste Commando over the Tugela |
| January | 29th
Execution of Tambuza and Kombesana |
| January | 30th
Nongalaza defeats Dingaan's army north of the Mkuzi river |
| February | 14th
Mpande crowned King of the Zulus |
| October | Loose federation between Natalia and the high veld republics formed |
| December | 19th
Pretorius attacks Nkapi's kraals |
| 1842 |
| March | British troops under Major Smith begin march on Port Natal |
| April | 25th
Natalian Volksraad under influence of J. A. Smellekamp offers Natalia to King of the Netherlands |
| May | 3rd
British troops reoccupy Port Natal |
| 23/24th
Battle of Congella |
| June | 25th
Boer siege of Port Natal raised
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|---|
| December | 12th
British Cabinet decide on annexation of Natal |
| 1844 |
| April | 9th
Potgieter declared independence of Winburg-Potchefstroom |
| 1845 |
| April | 30th
Battle of Zwartkoppies |
| June | Potgieter treks to Ohrigstad |
| December | Republic of Natalia formally ceased to exist |
| 1846 |
| June-September | Factional strife at Ohrigstad begins to reach its peak |
| 1847 |
| June | Potgieter leads reconnaissance across Limpopo and then revisits the Zoutpansberg district |
| Pretorius leads burghers from Natal to high veld |
| December | Sir Harry Smith becomes Governor of the Cape |
| 1848 |
| (early) | Potgeiter's people migrate to the Zoutpansberg |
| February | 3rd
Sir Harry Smith declares annexation of the Orange River Sovereignty |
| August | 29th
Battle of Boomplaats |
| 1852 |
| February | 17th
Sand River Convention |
| March | 16th
Reconciliation of Potgieter and Pretorius |
| August | Potgieter leads his last commando in Sekwatiland |
| December | 16th
Potgieter dies |
| 1853 |
| July | 23rd
Pretorius dies |
| 1854 |
| February | 23rd
British abandon the Orange River Sovereignty |