In the conventional story of Thai history, Ayutthaya is the successor to Sukhothai. In David Wyatt's classic account, Ayutthaya also inherited much from Angkor and 'less than sixty years after [its] foundation ... was on the verge of becoming a major power in the interstate relations of mainland Southeast Asia,. (1) In these versions, Ayutthaya from the start is a hinterland state with territorial ambitions.