Siam (Thailand) - 1957 - 5 Satang (Unc) - Bhumibol Adulyadej, known as Rama IX, was the King of Thailand from 1946 to 2016, making him the country’s longest-serving monarch and a unifying figure during decades of political upheaval. Born in the U.S., educated in Switzerland, and crowned in 1950, he was revered for rural development projects, agricultural reform, and his role in mediating political crises. A gifted musician and sailor, his reign spanned modernization, coups, and enduring popularity.Born: Dec 5, 1927 (Cambridge, Massachusetts, U.S.)Died: Oct 13, 2016 (Siriraj Hospital)