1. King of Great Britain and Ireland from 1760 to 1820; the American colonies were lost during his reign; he became insane in 1811 and his son (later George IV) acted as regent until 1820 (1738-1820)
   - George III of the United Kingdom, George

Type of: King of England, King of Great Britain

Part of: Hanover, Hanoverian line, House of Hanover

Encyclopedia: George III, King of the United Kingdom