Kandyan Treaty of 1638

The Kandyan Treaty of 1638 was a treaty between the Kingdom of Kandy and the Dutch Republic signed by King Rajasinghe II and Dutch Naval Commander Adam Westerwold and Vice Commander Willem Jacobszoon Coster of the Dutch East India Company. The treaty was signed on 23 May, 1638 in Batticaloa. The treaty secured the terms under which the two nations would cooperate in defending the Kandyan Kingdom from the Portuguese.