Battle of Imjin River
1592 CE.
Shown on the map at 37.783°, 126.667°.
The Battle of Imjin River (Japanese: 臨津江の戦い) was a battle during the 1592 Japanese invasion of Korea. Kim Myŏngwŏn's northern defense was defeated and the Japanese were able to cross over and invade northern Korea.
Text from the Wikipedia article Battle of Imjin River (1592), licensed CC BY-SA 4.0.