Region: Korean Peninsula · Coordinates: 39.920, 127.540 · 7 events
| Year | Source | Account |
|---|---|---|
| AD 56 | Samguk Sagi (History of the Three Kingdoms) | He attacked Dongokjeo and made its land into towns; the borders extended to the eastern sea and, to the south, the Salsu River. tradition |
| AD 1107 | Goryeosa (History of Goryeo) | Yun Gwan greatly defeats the Jurchen, sets the boundaries, and builds four fortress towns of Ung, Yeong, Bok and Gil (the Nine Fortresses of the Northeast). |
| AD 1362 | Goryeosa (History of Goryeo) | When Yi Seong-gye withdraws and camps at Dapsang-gok, Na Ha-chu, enraged, moves to Deoksan-dong, and Yi Seong-gye attacks him by night and defeats him. |
| AD 1364 | Goryeosa (History of Goryeo) | When the enemy takes Hamju, the commander abandons his troops and flees; Han Bang-sin and Kim Gwi advance to Hwaju but are broken, and all the land north of Hwaju falls. |
| AD 1364 | Goryeosa Jeolyo (Essentials of Goryeo History) | 1364: Jurchen Samseon, Samgae and others take Hamju; the chiefs Jeon I-do and Yi Hui abandon their troops and flee. Yi Seong-gye was away relieving the northwest |
| AD 1372 | Goryeosa (History of Goryeo) | The Japanese raid Hamju and Bukcheong-ju, and Mandu Jo In-byeok, with an ambush, defeats them badly and cuts off more than seventy heads. |
| AD 1385 | Goryeosa Jeolyo (Essentials of Goryeo History) | 1385: 150 Japanese ships invade Hamju, Hongwon, Bukcheong and elsewhere, killing or carrying off nearly everyone. Sim Deok-bu and others are defeated north of Daemunryeong in Hongwon, and Yi Seong-gye asks to go attack them and sets the dispositions at Hamju |