The longest reigning living monarch is Rama 9th, ascending to the throne in June 1946, of which country is he king?
Bhumibol Adulyadej Bhumibol Adulyadej Bhumibol Adulyadej (; ; ; see full title below; 5 December 1927 – 13 October 2016), conferred with the title King Bhumibol the Great in 1987, was the ninth monarch of Thailand from the Chakri dynasty as Rama IX. Reigning since 9 June 1946 he was, at the time of his death, the world's longest-reigning head of state, the longest-reigning monarch in Thai history and the longest-reigning monarch having reigned only as an adult, reigning for 70 years, 126 days. During his reign, he was served by a total of 30 prime ministers beginning with Pridi Banomyong and
Succession to the Norwegian throne reigning monarch and the reigning monarch's siblings and their legitimate descendants can be in line to the throne. The King's elder sister, Princess Astrid and her descendants, along with descendants of the King's deceased eldest sister, Princess Ragnhild, are excluded from the line of succession according to the agnatic primogeniture, which was the norm prior to 1971. In the event that there is no-one in the line of succession, the Storting (Parliament) has the right to elect a successor under Article 7 (if the king is alive) or Article 48 (if the king has died). Upon acceding to the throne