The coronation of His Majesty King Bhumibol Adulyadej took place on 5 May 1950. His Majesty is the ninth King of the Chakri Dynasty. On 5 May of every year, the Thai people rejoice and express their affection and loyalty to him by organizing a celebration on his coronation day.
Prior to the reign of King Rama IV (King Mongkut), there was no coronation ceremony in Thailand, there was only private ceremony held by high ranking officials to celebrate their Royal Regalia and positions in the 6th lunar month.