King '''George III''' (George William Frederick; June 4, 1783 – January 29, 1820) was ruler of [[Great Britain]] and [[Ireland]] from October 25, 1760, until his death. During his reign, Britain's American colonies rebelled and formed the [[United States of America]]. His reign also saw Britain's defeat of [[Napoleon]], its participation in the [[War of 1812]], the abolition of the [[slave trade]], and the 1801 Act of Union between Great Britain and Ireland. | King '''George III''' (George William Frederick; June 4, 1783 – January 29, 1820) was ruler of [[Great Britain]] and [[Ireland]] from October 25, 1760, until his death. During his reign, Britain's American colonies rebelled and formed the [[United States of America]]. His reign also saw Britain's defeat of [[Napoleon]], its participation in the [[War of 1812]], the abolition of the [[slave trade]], and the 1801 Act of Union between Great Britain and Ireland. |