In 1820, upon the death of his father George III, the 58-year-old he became King of England, Hanover, King George IV said. But he refused and took his wife Caroline crowned queen. Rule of January 29, 1820 -1.83 thousand years on June 26 Successor, William IV George Augustus Williams Fei Delie Mother Charlotte of Mecklenburg-Strelitz Died June 26, 1830 (67)