William IV

William IV was King of the United Kingdom of Great Britain and Ireland and King of Hanover from 26 June 1830 until his death in 1837. The third son of George III, William succeeded his elder brother George IV, becoming the last king and penultimate monarch of Britain's House of Hanover.

21 August 1765

Born on the same birth day (21 August): Alex Brooks • Angel Karaliychev • Brody Jenner • Emilio Salgari • Jorge de Lencastre, Duke of Coimbra • Leonid Hurwicz • Mark Williams (singer) • Mike Weston • Princess Margaret, Countess of Snowdon • Steve McKenna • Tyler Winklevoss • Édouard Fabre

Born in the same month (August 1765): Petrobey Mavromichalis