Battle of Diamond Hill
1900 CE.
Shown on the map at -25.783°, 28.467°.
The Battle of Diamond Hill (Donkerhoek) (Afrikaans: Slag van Donkerhoek) was an engagement of the Second Boer War that took place on 11 and 12 June 1900 in central Transvaal.
Text from the Wikipedia article Battle of Diamond Hill, licensed CC BY-SA 4.0.