Battle of Geumsan

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Battle of Geumsan
Part of Goguryeo–Tang War
Map showing the invasion of Goguryeo by the Tang forces from 645 to 668 AD
Date c. 667 AD Location Geumsan Fortress, Goguryeo (present-day Changtu County, Liaoning Province, China) Result Tang victory
Belligerents
Tang China	Goguryeo Korea
Commanders and leaders
Xue Rengui Yeon Namsaeng Pang Tongshan Gao Kan	Yeon Namsan
Strength
250,000 total 150,000 Chinese soldiers 100,000 Goguryeo defectors[1]	200,000[1]
Casualties and losses
Unknown	50,000 killed[1]

The Battle of Geumsan, was a major battle between armies of Tang China and Goguryeo Korea that took place in 662 AD, during the Goguryeo–Tang War. Goguryeo initially won the battle but Tang eventually counterattacked and routed the enemy, laying victorious.