Battle of Haktang-ni
1951 CE.
Shown on the map at 38.210°, 127.150°.
The Battle of Haktang-ni was a skirmish in which elements of the People's Volunteer Army attacked an advanced position held by the Belgium–Luxembourg Battalion along a ridge-line known as "Broken Arrow" or "Broken Arrow Hill" (Hill 391) between 9 and 13 October 1951.
Text from the Wikipedia article Battle of Haktang-ni, licensed CC BY-SA 4.0.