Battle of Lize
477 BCE.
Shown on the map at 30.900°, 120.953°.
The Battle of Lize (笠泽之战) was fought between the states of Wu and Yue in the Spring and Autumn period of Chinese history. In 478 BC, Yue attacked Wu and defeated Wu's army.
Text from the Wikipedia article Battle of Lize, licensed CC BY-SA 4.0.