February 3, 1988: Princess Diana being welcomed by HRH Crown Prince Maha Vajiralongkorn on the occasion of their visit to Thailand as guests of Their Majesties the King and Queen, at the Air Terminal Headquarters Building of the Royal Thai Air Force, Bangkok. They bring 60th birthday greetings to King Bhumibol Adulyadej whom they will see the next day in Chiang-mai.
His Majesty, King Bhumibol Adulyadej of Thailand, also known as Rama IX of the Chakri Dynasty, reigned over the Kingdom of SiamThailand from 9 June 1946, the Coronation Ceremony came later on 5 May 1950, until the 13th of October, 2016. His Majesty's 70 year (25,694 days) reign as the King of Thailand made him one of the world's longest ever serving monarchs and the longest in the history of Thailand. https://islandinfokohsamui.com/