History of Song: Cao Youwen fought hard against the Yuan forces at Yangping Pass in Daan Army and died in battle.; Xu Zizhi Tongjian: In the ninth…
Cao Youwen fought hard against the Yuan forces at Yangping Pass in Daan Army and died in battle.
壬午，驍衛大將軍、利州駐紮御前諸軍統制曹友聞與大元兵大戰于大安軍陽平關，兵敗，死之。
Location: 宋史卷042 端平三年
In the ninth month, day renwu, Cao Youwen, commander of the imperial guard forces, fought the Mongols at Yangping Pass of Da'an Jun, was defeated and died.
壬午，御前諸軍統制曹友聞與蒙古戰于大安軍陽平關，敗績，死之
Location: 권168 九月 단락168.47.0
Place: 陽平關
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