History of the Cape Colony from 1899 to 1910
The Second Anglo-Boer War had no sooner commenced with the ultimatum of the Transvaal Republic on 9 October 1899, than Mr Schreiner found himself called upon to deal with the conduct of Cape rebels. The rebels joined the invading forces of President Steyn, whose false assurances Mr Schreiner had offered to an indignant House of Assembly only a few weeks before.
Source: Wikipedia — History of the Cape Colony from 1899 to 1910 (CC BY-SA 4.0)