Ariyavangsagatayana, 18th Supreme Patriarch of Thailand

Somdet Phra Ariyavangsagatayana Somdet Phra Sangharaja, or simply known as Ariyavangsagatayana was the 18th Supreme Patriarch of Thailand 1973–1988 (Thai Calendar 2517–2531). He was born 1897 (2440) within the Ayudthaya province as Vasana Vasano. He was a monk of the Rajaborpit Temple. He died in 1988, at age 90, after a reign of 14 years and 2 months.