Thai alphabet
The first of these was held in the Mahā­b­o­dhārāma at Chiang Mai, which was attended by several monks. The Mahāthera Dhammadinnā of Tālavana Mahāvihāra (Wat Pā Tān) presided over the council, which was patronized by the King of Lan Na, Tilokaraj (r. 1441–1487). During this council, the orthography of the Thai Pali Canon was corrected and it was rendered into the Lan Na Thai alphabet. This council was held in 1477 CE.