William IV of the United Kingdom William IV of the United Kingdom William IV (William Henry; 21 August 1765 – 20 June 1837) 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. William served in the Royal Navy in his youth, spending time in North America and the Caribbean, and was later nicknamed the "Sailor King". In 1789, he was created Duke of Clarence and St
Coronation of the British monarch The crown of a King of Arms is silver-gilt and consists of sixteen acanthus leaves alternating in height, and inscribed with the words "Miserere mei Deus secundum magnam misericordiam tuam" (Latin: "Have mercy on me O God according to Thy great mercy", from Psalm 51). The Lord Lyon King of Arms has worn a crown of this style at all coronations since that of George III. Prior to that he wore a replica of the Crown of Scotland. In 2004 a new replica of this crown was created for use by the Lord Lyon. Coronation of the British monarch The