Battle of Dadaejin
1592 CE.
Shown on the map at 35.100°, 129.040°.
The Battle of Dadaejin and the Siege of Busan were the first battles of the Japanese invasions of Korea (1592–1598) and occurred simultaneously on April 13–14, 1592 (Gregorian: May 23–24, 1592).
Text from the Wikipedia article Battle of Dadaejin, licensed CC BY-SA 4.0.