Battle of Dangpo
1592 CE.
Shown on the map at 34.846°, 128.424°.
The Battle of Dangpo (Korean: 당포 해전; Hanja: 唐浦海戰) was a naval engagement during the Japanese invasions of Korea (1592–1598) on 10 July that resulted in Yi Sun-sin's victory.
Text from the Wikipedia article Battle of Dangpo (1592), licensed CC BY-SA 4.0.