| Timeline | Split |
| OTL equivalent | South Africa |
| |
| |
| Capital | Cape Town (legislative)
Pretoria (administrative) Bloemfontein (judicial) |
| Official Language | English, Afrikaans, Dutch |
| Government | Constitutional Monarchy |
| Monarch | |
| Governor General | Sir Patrick Duncan |
| Prime Minister | |
| Established | 31 May 1910 |
The Union of South Africa is an African dominion. It came into being on 31 May 1910, with the previously separate colonies of the Cape, Natal, Transvaal and the Orange Free State, and also controlled Walvis Bay, Namibia and Prince Edward Island