|1738--1820, king of Great Britain and Ireland (1760--1820) and of Hanover (1814--20). During his reign the American colonies were lost. He became insane in 1811, and his son acted as regent for the rest of the reign|
The king of Britain during the American Revolutionary War. He was known for insisting on royal privilege. The stubbornness of George and of his government officials is often blamed for the loss of the thirteen colonies that became the United States. In Britain itself, however, prosperity increased greatly while he was king, and Canada and India were made British possessions.