There are a couple of possibilities for South Africa.
The earliest is if the Cape Colony doesn't get ceded to Britain in 1806 (I think). This might mean no Great Trek, which means a bigger white population in OTL Cape Provbince. This will have all sorts of other butterflies and South Africa as we know it will be unlikely to exist.
Another possibility is the talks around Union collapse and each of the four colonies decide to go their own way. It is plausible then to have a Cape with a white plurality - a majority might be harder to accomplish.
There3 is also a conspiracy theory that Hendrik Verwoerd was assassinated because he was planning on splitting South Africa into two. You could thus have a white majority state (there would have toi be some population transfer) with its core in OTL Western Cape, connected to Johannesburg and Pretoria via a land strip, which would then include Bloemfontein. Port Elizabeth and the large areas of white settlement in Natal could be exclaves of this state too.
The earliest is if the Cape Colony doesn't get ceded to Britain in 1806 (I think). This might mean no Great Trek, which means a bigger white population in OTL Cape Provbince. This will have all sorts of other butterflies and South Africa as we know it will be unlikely to exist.
Another possibility is the talks around Union collapse and each of the four colonies decide to go their own way. It is plausible then to have a Cape with a white plurality - a majority might be harder to accomplish.
There3 is also a conspiracy theory that Hendrik Verwoerd was assassinated because he was planning on splitting South Africa into two. You could thus have a white majority state (there would have toi be some population transfer) with its core in OTL Western Cape, connected to Johannesburg and Pretoria via a land strip, which would then include Bloemfontein. Port Elizabeth and the large areas of white settlement in Natal could be exclaves of this state too.