Bhumibol Adulyadej (December 5, 1927 – October 13, 2016), was the King of Thailand from 9 June 1946 until 13 October 2016. Most people in Thailand knew him as "the Great" (, "Maharaja"). He was also known as Rama IX. He was one of the world's longest-serving heads of state. He was the longest-serving monarch in Thai history.