Battle of Dong-Yin
1965 CE.
Shown on the map at 26.378°, 120.507°.
The Battle of Dong-Yin (Chinese: 東引海戰) also known as the Battle of May First (Chinese: 五一海戰) was a naval conflict between forces of the Republic of China Navy and the People's Liberation Army Navy around Dongyin island, Fukien Province, Republic of China on 1 May 1965. Both sides subsequently claimed victory.
Text from the Wikipedia article Battle of Dong-Yin, licensed CC BY-SA 4.0.