Bhumibol Adulyadej, King of Thailand (died 2016)

Bhumibol Adulyadej, titled Rama IX, was King of Thailand from 1946 until his death in 2016. His reign of 70 years and 126 days is the longest of any Thai monarch, the longest on record of any independent Asian sovereign, and the third-longest of any sovereign state.

December 5 is the 339th day of the year in the Gregorian calendar; 26 days remain until the end of the year.