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
The Merry Monarch his second year at stud, he was covering mares at no fee apart from "a sovereign for the groom". He was the damsire of a filly named Bertha, who finished second in the 1000 Guineas and won the Nassau Stakes in 1862, but otherwise made no impact. The Merry Monarch The Merry Monarch (1842 – after 1859) was a British Thoroughbred racehorse and sire. In a career that lasted from July 1844 to May 1846 he ran four times and won only one race. That race, however, was the 1845 Epsom Derby, in which he recorded an unexpected victory. After