First Battle of Maryang San

The First Battle of Maryang San (3−8 October 1951), also known as the Defensive Battle of Maliangshan (Chinese: 马良山防御战; pinyin: Mǎliáng Shān Fángyù Zhàn), was fought during the Korean War between United Nations (UN) forces—primarily Australian and British—and the Chinese communist People's Volunteer Army. The fighting occurred during a limited UN offensive by US I Corps, codenamed Operation Commando. This offensive ultimately pushed the Chinese back from the Imjin River to the Jamestown Line and destroyed elements of four Chinese armies following heavy fighting. The much smaller battle at Maryang San took place over a five-day period, and saw the 3rd Battalion, Royal Australian Regiment (3 RAR) dislodge a numerically superior Chinese force from the tactically important Kowang-San (Hill 355) and Maryang San (Hill 317) features, in conjunction with other units of the 1st Commonwealth Division.

• http://en.wikipedia.org/wiki/First Battle of Maryang San