1820 deaths

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.

French statesman (1759-1820)

English naturalist, botanist and patron of the natural sciences (1743-1820)

Argentine politician and military leader

Chinese emperor (1760-1820) of the Qing dynasty

French princess (1777-1820)

British prince (1767-1820); fourth son of George III

American pioneer and frontiersman (1734–1820)

founder and 1st emperor of the Nguyễn dynasty of Vietnam (r. 1802-04)

President and King of Haiti (1767-1820)

Scottish explorer

French soldier (1735-1820)

Vietnamese poet (1765-1820)

Austrian field marshal (1771–1820)

French philosopher, historian, orientalist, and politician (1757-1820)

Member of the French royal family (1778–1820)

Marshal of France (1755-1820)

18th- and 19th-century English painter (1738–1820)

English writer (1741-1820)

Consort of Prince William V of Orange (1751-1820)

eldest child of Frederick William II of Prussia and Frederica Louisa of Hesse-Darmstadt

Swedish naturalist (1748-1820)

Redemptorist, saint of the Catholic Church (1751–1820)

first Governor of the U.S. state of Alabama (1781-1820)

electress of Hesse (1747-1820)

French chemist, mineralogist, meteorologist and translator (1735-1820)

French politician (1767–1820)

British-American architect (1764–1820)

Russian general (1741-1820)

German painter, noted for his portraits and history paintings (1772-1820)

British physician and scientist (1748–1820)

French publicist and Jesuit priest (1741–1820)

American politician and signer of the United States Declaration of Independence

German naturalist

United States attorney general and acting governor of Massachusetts (1749–1820)

United States Navy officer

American writer and advocate for women's rights (1751-1820)

French naturalist and entomologist (1752–1820)

French scientist (1735-1820)

German murderer (1795-1820)

landgrave of Hesse-Homburg (1751-1820)

Irish politician in Irish and UK parliaments (1746-1820)

princess (1800–1820)

French physicist (1791–1820)

Louise Caroline, Baroness Geyer of Geyersberg

Czech violinist and composer

German-American botanist (1774-1820)

Scottish philosopher and poet, born 1778

Prussian princess (1738-1820)

French politician (1756-1820)

French presbyter

Swedish general and noble

Hungarian philanthropist (1754–1820)

French piano teacher

British diplomat, born 1746

Mistress of King Frederick William II of Prussia (1753-1820)

Romanian philologist, historian and writer

Italian architect and painter (1747-1820)

Regent of Lippe (1769-1820)

French painter (1754-1820)