Abdullah II became the King of Jordan after the death of his father King Hussein in 1999.

Umberto II   was the last King of Italy, reigning for slightly over a month in 1946, before Italy was declared a republic.

Nicholas II was the last Emperor of Russia, ruling from 1 November 1894 until his forced abdication on 15 March 1917.

King Hassan II was King of Morocco from 1961 until his death in 1999.

Fuad II formally reigned as the last King of Egypt and Sudan from July 1952 to June 1953. Republic was proclaimed one year after the 1952 Revolution.

George VI was King of the United Kingdom and the Dominions of the British Commonwealth from 11 December 1936 until his death in 1952. He was known publicly as Albert until his accession, and "Bertie" among his family and close friends. He got the name Albert after his great-grandfather Prince Albert.

King Willem-Alexander became ruler of The Netherlands in 2013 after the official abdication of his mother, Queen Beatrix.

Denmark (with Queen Margrethe II), Norway (with King Harald V), and Sweden (with King Carl XVI Gustaf) are all constitutional monarchies. Finland is a republic, officially the Republic of Finland.

Richard I was known as Richard the Lionheart because of his reputation as a great military leader and warrior.

Norodom Sihamoni became the King of Cambodia on 14 October 2004. Before ascending the throne, Sihamoni was best known for his work as a cultural ambassador in Europe and as a classical dance instructor.