Region: Korean Peninsula · Coordinates: 37.530, 127.124 · 2 events
| Year | Source | Account |
|---|---|---|
| AD 1218 | Goryeosa (History of Goryeo) | The Mongol commanders Hap-jin and Chal-lal and the Eastern Jin force of Wanyan Ja-yeon, citing the suppression of the Khitan remnants, defeat the four castles of Hwa, Maeng, Sun and Deok and head for Gangdong Fortress. |
| AD 1219 | Goryeosa (History of Goryeo) | Jo Chung and Kim Chwi-ryeo join the Mongol and Eastern Jin forces, surround Gangdong Fortress, and the Khitan remnants open the gates and surrender. |