Historical Events in 1820

  • Jan 12 Royal Astronomical Society founded in England
  • Jan 28 Russian expedition led by Fabian Gottlieb von Bellingshausen and Mikhail Lazarev discover the continent of Antarctica
  • Jan 30 British explorer Edward Bransfield aboard Williams sights Trinity Peninsula, Antarctica claims for Britain
  • Feb 6 1st organized emigration of blacks back to Africa (NY to Sierra Leone)
  • Feb 6 US population announced at 9,638,453, African Americans 1,771,656 (18.4%)
  • Feb 6 The first 86 African American immigrants sponsored by the American Colonization Society started a settlement in present-day Liberia.
  • Feb 23 Cato Street conspiracy uncovered
  • Mar 3 Missouri Compromise passes, allowing Missouri to join the United States despite slavery still being legal there.
  • Mar 5 Dutch city of Leeuwarden forbids Jews to go to synagogues on Sundays
  • Mar 9 -11) Philippines chases out foreigners; about 125 die
  • Mar 15 Maine admitted as 23rd state of the Union
  • Mar 25 Greece freedom revolt against anti Ottoman attack
  • Apr 8 The famous ancient Greek statue, Venus de Milo is discovered on the Aegean island of Melos
  • Apr 12 Alexander Ypsilantis is declared leader of Filiki Eteria, a secret organization to overthrow Ottoman rule over Greece.

Event of interestEvent of Interest

May 11 Launch of HMS Beagle, the ship that took young Charles Darwin on his scientific voyage.

Naturalist Charles Darwin
Charles Darwin
  • May 13 Opera "Die Jagarsbrautt" is completed
  • Jun 28 Tomato is proven non-poisonous
  • Jul 1 1st edition of newspaper "Courrier de la Meuse" published
  • Aug 1 London's Regent's Canal opens.
  • Aug 7 1st potatoes planted in Hawaii
  • Aug 14 1st US eye hospital, the NY Eye Infirmary, opens in NYC
  • Aug 24 Constitutionalist insurrection at Oporto, Portugal; see Portugal's crises of the Nineteenth Century.
  • Sep 15 Constitutionalist revolution in Lisbon, Portugal; (see Portugal's crises of the Nineteenth Century).
  • Sep 25 French Physicist Francois Arago announces electromagnetism in his discovery that a copper wire between the poles of a voltaic cell could laterally attract iron filings to itself
  • Oct 9 Guayaquil, Ecuador declares its freedom from Ecuador
  • Oct 20 Spain sells part of Florida to US for $5 million
  • Nov 3 Cuenca Ecuador declares independence

Electoral defeatElection of Interest

Nov 7 James Monroe re-elected US president

5th US President James Monroe
5th US President
James Monroe
  • Nov 18 Antarctica sighted by US Navy Capt Nathaniel B Palmer
  • Dec 15 1st General pharmacopoeia in US published, Boston
  • Dec 20 Missouri imposes a $1 bachelor tax on unmarried men between 21 & 50