King Bhumibol will be 85 years old on 5 December 2012. Several years earlier, he was already the longest reigning king of not only the present Chakri Dynasty, but throughout the Siamese history. Having reigned the country for 66 years, he is also one of the longest reigning monarchs in world history, surpassing the reigns of Queen Victoria of Great Britain (63 years) in the 19th century, Emperor Hirohito of Japan