The Battle of Nedumkotta took place between December 1789 and May 1790, and was a reason for the opening of hostilities in the Third Anglo-Mysore War. This battle was fought between Tipu Sultan of the Kingdom of Mysore and Dharma Raja, Maharaja of Travancore. Mysore army attacked the fortified line in Thrissur district at the Travancore border known as the Nedumkotta. The Mysore army was successfully repulsed by the Travancore army under the leadership of Raja Kesavadas, Dewan of Travancore.