In this episode of FSI, dr Schlebusch introduces the Boer covenant with God and notes why 16 December is such an important day for Christian Boer Nationalists.
FSI episode XI: The Boer Covenant and the Day of the Vow
FSI episode XI: The Boer Covenant and the Day of the Vow - YouTube
Ernst Roets and Ernst Van Zyl discuss the Afrikaner-Boer origin story.