Then in the 1350, a new dynasty led by King Ramathibodi I (Uthong) established a new capital at Ayutthaya, and in 1378 during the reign of King Borommaracha I, Sukhothai was subdued to become a tributary state of Ayutthaya. The Ayutthaya kingdom survived several wars with Burma before falling to the invading Burmese in 1767.