Battle of Onjong

Battle of Onjong
Part of Korean War
Map of Chinese intervention, October 25 – November 1, 1950
Date October 25−29, 1950 Location Near Onjong, North Korea Result Decisive Chinese victory
Belligerents
China	South Korea
Commanders and leaders
Peng Dehuai Han Xianchu Wen Yuchen (40th Corps)	Yu Jai Hung (II Corps) Kim Jong Oh (6th Div) Go Geun Hong (10th Rgt)
Units involved
40th Corps 118th Division 119th Division 120th Division	ROK II Corps 6th Infantry Division 10th Infantry Regiment
Casualties and losses
Unknown	Unknown

Coordinates: 40°6′33″N 125°53′47″E / 40.10917°N 125.89639°E / 40.10917; 125.89639 (Onjong-ri)

40th Corps

ROK II Corps

The Battle of Onjong (Korean: 온정리 전투), also known as the Battle of Wenjing (Chinese: 温井战斗; pinyin: Wēn Jǐng Zhàn Dòu), was one of the first engagements between Chinese and United Nations forces during the Korean War. It took place around Onjong in present-day North Korea from October 25 to October 29, 1950. As the main focus of the Chinese First Phase Campaign, the Chinese 40th Corps conducted a series of ambushes against the Republic of Korea II Corps, effectively destroying the right flank of the United States Eighth Army while stopping the UN advances north toward the Yalu River.

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