Hartenbosch was a farm in the Orange Free State, 90 km north of Bloemfontein in the Bultfontein district.

A British patrol under Major Luard were in the area when they were attacked by Commandant Badenhorst’s Commando on their return to Bultfontein.

In the history of the Thornicroft Mounted Infantry it is quoted “many of our men, the majority of the patrol were captured by the enemy”.  In the engagement one man was killed and 15 were injured. The soldier killed was Private Mooney of Thornicroft’s Mounted Infantry .