Royalty · Politics · 1738–1820

George III of Great Britain — Age & Birthday

Born: 4 June 1738 · Died: 29 January 1820 · Age at death: 81

How old was George III of Great Britain when he died?

George III of Great Britain died aged 81. He was born on 4 June 1738 and died on 29 January 1820.

British king for 60 years who lost the American colonies and suffered bouts of mental illness

Did you know?He was the first king from the House of Hanover to be born in England and speak English as his primary language.

Quick facts

  • Date of birth4 June 1738
  • Date of death29 January 1820
  • Age at death81
  • NationalityBritish
  • BirthplaceNorfolk House, United Kingdom
  • Occupationart collector, patron of the arts, ruler

Editor's Take:

George III reigned for 60 years, longer than any British king before him. He was the first of the Hanoverian kings born in Britain and spoke English as his first language. He was devoted to farming, earning the nickname Farmer George. During his reign Britain lost its American colonies. It also defeated Napoleon. He suffered recurring bouts of mental illness. From 1811 his son ruled as Prince Regent. He spent his final years blind and confined at Windsor.

George III (George William Frederick; 4 June 1738 – 29 January 1820) was King of Great Britain and Ireland from 25 October 1760 until his death in 1820. During his reign, the Acts of Union 1800 merged Great Britain and Ireland into the United Kingdom.

Text from Wikipedia, licensed under CC BY-SA 4.0

Profile

George III: The King Who Lost America

British king, 1738–1820

George III was born in London on 4 June 1738.

He became king in 1760.

Britain lost the American colonies in his reign.

He died at Windsor Castle on 29 January 1820, aged 81.

Career highlights

  1. 1760King: accession
  2. 1761Marriage: Charlotte of Mecklenburg-Strelitz
  3. 1776American independence: declared
  4. 1788Illness: first major crisis
  5. 1811Regency: Prince of Wales rules

Did you know?He and Queen Charlotte had 15 children.

Age at death
81
Years since death
206

Family

Father
Frederick, Prince of Wales
Mother
Princess Augusta of Saxe-Gotha
Spouses
Charlotte of Mecklenburg-Strelitz, Hannah Lightfoot
Children
George IV of the United Kingdom, William IV, Charlotte, Princess Royal, Ernest Augustus, King of Hanover, Prince Adolphus, Duke of Cambridge, Prince Alfred of Great Britain, Prince Augustus Frederick, Duke of Sussex, Prince Edward, Duke of Kent and Strathearn, Prince Frederick, Duke of York and Albany, Prince Octavius of Great Britain, Princess Amelia of the United Kingdom, Princess Augusta Sophia of the United Kingdom

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Questions people ask

Frequently asked questions

When is George III of Great Britain's birthday?
George III of Great Britain's birthday is June 4. He was born on June 4, 1738 in Norfolk House, United Kingdom.
How old was George III of Great Britain when he died?
George III of Great Britain died on January 29, 1820, aged 81.
Who shares a birthday with George III of Great Britain?
Famous people who share George III of Great Britain's June 4 birthday include Angelina Jolie, Alexei Navalny, Bronisław Komorowski, Carl Gustaf Emil Mannerheim and Lukas Podolski.

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Reviewed by the Who Shares My Birthday editorial team.

Last reviewed: October 2026