Battle of Trincomalee
1782 CE.
Shown on the map at 8.549°, 81.238°.
The Battle of Trincomalee was fought between a British fleet under Vice-Admiral Sir Edward Hughes and a French fleet under the Bailli de Suffren off the coast of Trincomalee, then Ceylon (modern Sri Lanka), on 3 September 1782. It was the fourth in a series of battles fought between the two fleets off the coast of the Indian subcontinent during the American Revolutionary War.
Text from the Wikipedia article Battle of Trincomalee, licensed CC BY-SA 4.0.