The two counties that fought were the Boers "Afrikaans" and the English/Australians
There have been two Boer wars. The first Boer war was fought from 1880-1881 and the Second Boer war was between 1899-1902. The first one was fought between United Kingdom and Transvaal in South Africa whereas the Second Boer war was fought between the British Empire and the independent Boer republics of Orange free state and South Africa (Transvaal).
The Spanish Civil War, which began July 17 of 1936, was fought between:
I don't know the countries, all I know is it was fought between Africa and Europe