an Entity references as follows:
The Union of South Africa (Dutch: Unie van Zuid-Afrika; Afrikaans: Unie van Suid-Afrika; ) was the historical predecessor to the present-day Republic of South Africa. It came into existence on 31 May 1910 with the unification of the Cape, Natal, Transvaal, and Orange River colonies. It included the territories that were formerly a part of the South African Republic and the Orange Free State.