1820

Centuries: 18th century - 19th century - 20th century

Decades: 1770s 1780s 1790s 1800s 1810s - 1820s - 1830s 1840s 1850s 1860s 1870s

Years: 1815 1816 1817 1818 1819 - 1820 - 1821 1822 1823 1824 1825

• January 29 - George the Prince Regent becomes King of the UK as George IV of the United Kingdom.This marks the end of the period known as the English Regency.
• January 30 - Edward Bransfield[?] discovers Antarctica.
• February 6 - 86 free African American colonists sail from New York City to Freetown, Sierra Leone.
• February 23 - The Cato Street conspiracy[?] is exposed.
• March 3 & March 6 - The Missouri Compromise becomes law in the United States.
• March 15 - Maine is admitted as the 23rd U.S. state.
• November - James Monroe is re-elected, virtually unopposed.

• Missouri Compromise
• 6th Edition of Encyclopaedia Britannica begins appearing.
• Republic of Buenos Aires (Argentina) establishes penal colony in Falkland Islands.
• Venus de Milo found on island of Melos.
• Spanish revolt against Ferdinand VII.
• Hans Christian Orsted discovers relationship between electricity and magnetism.

Arts, Sciences, Literature and Philosophy

• 1820 in literature:

Births

• January 17 - Anne Bronte, author
• February 8 - William Tecumseh Sherman, soldier (+ 1891)
• February 15 - Susan B. Anthony, US suffragist
• February 28 - John Tenniel, illustrator
• March 14 - Victor Emmanuel II of Italy
• March 22 - Stephen Decatur, naval officer
• May 12 - Florence Nightingale, nurse (+ 1910)
• September 27 - Wilhelm Siegmund Teuffel, classical[?] scholar
• Mathilde Bonaparte, hostess and socialite

Deaths

• January 29 - King George III of the United Kingdom
• March 22 - Stephen Decatur, sailor
• June 19 - Sir Joseph Banks, British naturalist and botanist
• September 3 - Benjamin Latrobe, architect