Information about King William IV of the United Kingdom

King William IV of the United Kingdom (21 August 1765 - 20 June 1837)

William IV (William Henry) was King of the United Kingdom of Great Britain and Ireland and King of Hanover from 26 June 1830 until his death. The third son of George III and younger brother and successor to George IV, he was the last king and penultimate monarch of Britain's House of Hanover.

William served in the Royal Navy in his youth and was, both during his reign and afterwards, nicknamed the "Sailor King". He served in North America and the Caribbean, but saw little actual fighting. In 1789, he was created Duke of Clarence and St Andrews. Since his two older brothers died without leaving legitimate issue, he inherited the throne when he was 64 years old. His reign saw several reforms: the poor law was updated, child labour restricted, slavery abolished in nearly all the British Empire, and the British electoral system refashioned by the Reform Act 1832. Though William did not engage in politics as much as his brother or his father, he was the last monarch to appoint a prime minister contrary to the will of Parliament. Through his brother, the Viceroy of Hanover, he granted his German kingdom a short-lived liberal constitution.

At the time of his death William had no surviving legitimate children, but he was survived by eight of the ten illegitimate children he had by the actress Dorothea Jordan, with whom he cohabited for twenty years. William was succeeded in the United Kingdom by his niece, Victoria, and in Hanover by his brother, Ernest Augustus I.

King William IV of the United Kingdom reigned in...
Reigned asIn CountryFromToCoins Issued
King William IV Flag of Bahamas, British Crown Colony Bahamas, British Crown Colony 26 June 1830 20 June 1837
King William IV Flag of Ceylon, British Ceylon, British 26 June 1830 20 June 1837
King William IV Flag of Gibraltar Gibraltar 26 June 1830 20 June 1837
Wilhelm IV. (King William IV), King William IV of the United Kingdom Flag of Hanover, Kingdom of Hanover, Kingdom of 26 June 1830 20 June 1837
King William IV, Lord of Mann Flag of Isle of Man Isle of Man 26 June 1830 20 June 1837
King William IV Flag of New South Wales New South Wales 26 June 1830 20 June 1837
King William IV Flag of United Kingdom United Kingdom 26 June 1830 20 June 1837 75
King William IV Flag of South Australia South Australia 28 December 1836 20 June 1837
King William IV of the United Kingdom: Legends on Coins
LegendUsed FromUsed ToCoins
GULIELMUS IIII D: G: BRITANNIAR: REX F: D: 1830 1837 69
GULIELMUS IIII DEI GRATIA [year] 1831 1837 6
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King William IV of the United Kingdom: Effigies on Coins
ImageEffigyYearCoins
King William IV of the United Kingdom / Portrait by William Wyon Portrait by William Wyon 1830 75
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