Decade By Decade: Timelines of the 1800s
January 29, 1820: George IV became the King of England upon the death of George III.
February 8, 1820: William Tecumseh Sherman, Union general in the Civil War, was born in Lancaster, Ohio.
February 15, 1820: Susan B. Anthony, leader of the American suffrage movement, was born in Adams, Massachusetts.
March 1820: The Missouri Compromise became law in the United States.
March 22, 1820: American naval hero Stephen Decatur was fatally wounded in a duel fought near Washington, D.C.
May 12, 1820: Florence Nightingale, English nurse and reformer, was born in Italy.
September 26, 1820: American frontiersman Daniel Boone died in Missouri at the age of 85.
November 1820: James Monroe faced virtually no opposition and was reelected president of the United States.
March 4, 1821: James Monroe was sworn in for his second term as president of the United States.
May 5, 1821: Napoleon Bonaparte died in exile on the island of St. Helena.
September 3, 1821: A devastating hurricane struck New York City, and the study of its path would lead to the understanding of rotating storms.
October 17, 1821: Photographer Alexander Gardner was born in Scotland.
December 25, 1821: Clara Barton, Civil War nurse and founder of the American Red Cross, was born in Oxford, Massachusetts.
A children's book published in New York City referred to a character named "Santeclaus," which may have been the first printed reference to Santa Claus in the English language.
American traders began using the Santa Fe Trail.
April 22, 1822: Ulysses S. Grant, Civil War general and later president of the United States, was born at Point Pleasant, Ohio.
October 4, 1822: Rutherford B. Hayes, who would become president in the disputed election of 1876, was born in Delaware, Ohio.
Charles Babbage designed the “difference engine,” an early computing machine
Hieroglyphs were deciphered using the Rosetta Stone.
The first group of freed slaves being resettled in Africa arrived in Liberia and founded the town of Monrovia, named for President James Monroe.
April 3, 1823: William Marcy "Boss" Tweed, the leader of notorious New York political machine Tammany Hall, was born in New York City.
December 23, 1823: The poem "A Visit From St. Nicholas" by Clement Clarke Moore was published in a newspaper in Troy, New York.
December 1823: President James Monroe introduced the Monroe Doctrine as part of his annual message to Congress.
January 21, 1824: Thomas J. "Stonewall" Jackson, Confederate general in the Civil War, was born in Virginia.
May 23, 1824: Ambrose Burnside, Civil War general, was born in Indiana.
November 1824: The U.S. presidential election of 1824 was deadlocked with no clear winner and would become known as "The Corrupt Bargain."
With the controversial election of 1824, a period of American politics known as The Era of Good Feelings comes to an end.
February 9, 1825: The election of 1824 was settled by a vote in the U.S. House of Representatives, which elected John Quincy Adams as president. Supporters of Andrew Jackson claimed a "Corrupt Bargain" had been struck between Adams and Henry Clay.
March 4, 1825: John Quincy Adams was inaugurated as president of the United States.
October 26, 1825: The entire length of the Erie Canal was officially opened across New York, from Albany to Buffalo.
January 30, 1826: The Menai Suspension Bridge opened in Wales, ushering in an age of great bridges.
July 4, 1826: American songwriter Stephen Foster was born in Pennsylvania.
July 4, 1826: John Adams died in Massachusetts and Thomas Jefferson died in Virginia, on the 50th anniversary of the signing of the Declaration of Independence.
December 3, 1826: George B. McClellan, Civil War general and commander of Union forces at the Battle of Antietam, was born in Philadelphia.
Josiah Holbrook began the American Lyceum Movement in Massachusetts.
Irish immigrant John Hughes, future archbishop and political force in New York, was ordained a priest.
March 26, 1827: Composer Ludwig van Beethoven died in Vienna, Austria, at the age of 56.
August 12, 1827: English poet and artist William Blake died in London, England at the age of 69.
Artist John James Audubon published the first volume of Birds of America.
February 8, 1828: Writer Jules Verne was born in France.
Summer-Fall 1828: The election of 1828 is preceded by perhaps the dirtiest campaign ever, with supporters of Andrew Jackson and John Quincy Adams hurling shocking accusations.
November 1828: Andrew Jackson was elected president of the United States.
Cornelius Vanderbilt began operating his own fleet of steamboats in New York Harbor.
Religious freedom increased in Ireland, thanks to Catholic Emancipation movement of Daniel O’Connell
The Metropolitan Police Service was founded in London, England, with its headquarters at Scotland Yard.