Four South African colonies unite to form the Union of South Africa
The Union of South Africa was born on 31 May 1910, stitching together four colonies — the Cape, Natal, Transvaal, and Orange River — under a single parliament. Louis Botha, a former Boer general who had fought the British less than a decade earlier, became its first prime minister. A fragile unification, built on exclusions that would shape the century ahead.









