1964 in ThailandThe year 1964 was the 183rd year of the Rattanakosin Kingdom of Thailand. It was the 19th year in the reign of King Bhumibol Adulyadej, and is reckoned as year 2507 in the Buddhist Era.IncumbentsKing: Bhumibol AdulyadejCrown Prince: Prime Minister: Thanom KittikachornSupreme Patriarch: Ariyavongsagatanana IV