Piet Retief, Voortrekker leader who was murdered by Zulu king Dingane at Ungungundlovo, is born on the farm Soetendal, Wagenmak Collection

Manifesto of the emigrant farmers By Piet Retief, 1837
Retief manifesto, (Graham's Town Journal), 2 February 1837
1838 Die Groot Trek oor die Drakensberg
Audio and Video
The Great Trek Was Not Over Abolition by Ron (Republican Trekker Volk), 30 October 2008
Copy of the treaty allegedly signed by Dingaan and Retief ceding large tracts of the Zulu Kingdom to the Voortrekkers