Battle of Sanna's Post
1900 CE.
Shown on the map at -29.157°, 26.536°.
The Battle of Sanna's Post (a.k.a. Kroon Spruit) was an engagement fought during the Second Boer War (1899–1902) between the British Empire and the Boers of the two independent republics of the Orange Free State and the South African Republic.
Text from the Wikipedia article Sanna's Post, licensed CC BY-SA 4.0.