Birthday Age Calculator, Calculate My Age, How Old Am I?

Important Historical Events of the year 1820, Year 1820 in History

  1. Birthday Age Calculator
  2. Historical Events By Year
  3. 19th Century Years
  4. Important Historical Events of the year 1820

List of 1820 Major News Events in History, Most Important Historical Events in 1820

What happened in the year 1820?

Date Event
January 27, 1820 A Russian expedition led by Fabian Gottlieb von Bellingshausen and Mikhail Petrovich Lazarev discovers the Antarctic continent, approaching the Antarctic coast.
January 30, 1820 Edward Bransfield sights the Trinity Peninsula and claims the discovery of Antarctica.
February 4, 1820 The Chilean Navy under the command of Lord Cochrane completes the two-day long Capture of Valdivia with just 300 men and two ships.
February 6, 1820 The first 86 African American immigrants sponsored by the American Colonization Society depart New York to start a settlement in present-day Liberia.
February 23, 1820 Cato Street Conspiracy: A plot to murder all the British cabinet ministers is exposed and the conspirators arrested.
March 3, 1820 The U.S. Congress passes the Missouri Compromise.
March 6, 1820 The Missouri Compromise is signed into law by President James Monroe. The compromise allows Missouri to enter the Union as a slave state, brings Maine into the Union as a free state, and makes the rest of the northern part of the Louisiana Purchase territory slavery-free.
March 15, 1820 Maine is admitted as the twenty-third U.S. state.
April 8, 1820 The Venus de Milo is discovered on the Aegean island of Milos.
April 12, 1820 Alexander Ypsilantis is declared leader of Filiki Eteria, a secret organization to overthrow Ottoman rule over Greece.
May 1, 1820 Execution of the Cato Street Conspirators, who plotted to kill the British Cabinet and Prime Minister Lord Liverpool.
August 24, 1820 Constitutionalist insurrection at Oporto, Portugal.
September 15, 1820 Constitutionalist revolution in Lisbon, Portugal.
October 9, 1820 Guayaquil declares independence from Spain.
November 17, 1820 Captain Nathaniel Palmer becomes the first American to see Antarctica. (The Palmer Peninsula is later named after him.)
November 20, 1820 An 80-ton sperm whale attacks and sinks the Essex (a whaling ship from Nantucket, Massachusetts) 3,200 kilometres (2,000 mi) from the western coast of South America. (Herman Melville's 1851 novel Moby-Dick was in part inspired by this incident.)