Dukes of Bremen and Verden

George III was King of Great Britain and Ireland from 25 October 1760 until his death in 1820. The Acts of Union 1800 unified Great Britain and Ireland into the United Kingdom of Great Britain and Ireland, with George as its king. He was concurrently duke and prince-elector of Hanover in the Holy Roman Empire before becoming King of Hanover on 12 October 1814. He was the first monarch of the House of Hanover who was born in Great Britain, spoke English as his first language, and never visited Hanover.

King of Great Britain and Ireland from 1727 to 1760

Queen of Sweden, ruled from 1632 until abdication in 1654 (1626–1689)

King of Great Britain and Ireland from 1714 to 1727

King of Sweden (1622-1660)

King of Sweden from 1660 to 1697 (1655-1697)

queen regnant of Sweden from 1718 to 1720 (1688–1741)