Battle of the Twin Tunnels
1951 CE.
Shown on the map at 37.443°, 127.672°.
The Battle of the Twin Tunnels (French: Bataille de Twin-Tunnels) took place during the Korean War. In which the UN forces inflicted heavy casualties on the People's Volunteer Army (PVA). The "Twin Tunnels" refer to a series of railroad tunnels along the Central Line in eastern Jije-myeon, Yangpyeong County, Gyeonggi Province, South Korea. A series of battles, including Twin Tunnels, the Battle of Chipyong-ni and the Third Battle of Wonju between January and February 1951 marked a turning point in many ways for the entire Korean War.
Text from the Wikipedia article Battle of the Twin Tunnels, licensed CC BY-SA 4.0.