Explore 255 historical events from 1820–1829.
Marie-Joseph Paul Yves Roch Gilbert du Motier, Marquis de La Fayette, known in the United States as Lafayette, was a French military officer and politician who volunteered to join …
General Lafayette, a French officer in the American Revolutionary War, speaks at what would become Lafayette Square in B
A cornerstone is the first stone set in the construction of a masonry foundation. All other stones will be set in reference to this stone, thus determining the position of the enti…
The first cornerstone is laid for Fort Hamilton in New York City
Johann Jakob Balmer was a Swiss mathematician best known for his work in physics, the Balmer series of hydrogen atom.
Johann Jakob Balmer, Swiss mathematician and physicist (died 1898)
George Inness was an American landscape painter.
George Inness, American painter and educator (died 1894)
Thomas Henry Huxley was an English biologist and anthropologist who specialised in comparative anatomy. He has become known as "Darwin's Bulldog" for his advocacy of Charles Darwin…
Thomas Henry Huxley, English biologist, anatomist, and academic (died 1895)
Augustus Henry Julian Le Plongeon was a British-American antiquarian and photographer who studied the pre-Columbian ruins of America, particularly those of the Maya civilization on…
Augustus Le Plongeon, English-American historian, photographer, and academic (died 1908)
Colonel George Bruce Malleson was a Bengal Army officer and historian.
George Bruce Malleson, English-Indian colonel and author (died 1898)
James Collinson was a Victorian painter who was a member of the Pre-Raphaelite Brotherhood from 1848 to 1850. Collinson was known for the paintings,The Renunciation of St Elizabeth…
James Collinson, Victorian painter (died 1881)
Orélie-Antoine de Tounens was a French avoué and adventurer who proclaimed by two decrees on 17 and 20 November 1860 that Araucanía and Patagonia did not depend of any other states…
Orélie-Antoine de Tounens, French lawyer and explorer (died 1878)
Friedrich Bayer was the founder of what would become Bayer, a German chemical and pharmaceutical company. He founded the dyestuff factory Friedrich Bayer along with Johann Friedric…
Friedrich Bayer, German pharmacist, founded Bayer (died 1880)
Sondre Norheim, born Sondre Auverson, was a Norwegian skier and pioneer of modern skiing. Sondre Norheim is known as the father of Telemark skiing.
Sondre Norheim, Norwegian-American skier (died 1897)
Thomas Edward Cliffe Leslie was an Irish jurist and economist. He was professor of jurisprudence and political economy in Queen's College, Belfast, noted for challenging the Wages-…
Thomas Edward Cliffe Leslie, Irish economist and jurist (died 1882)
William Stubbs was an English historian and Anglican bishop. He was Regius Professor of Modern History at the University of Oxford between 1866 and 1884. He was Bishop of Chester f…
William Stubbs, English bishop and historian (died 1901)
Antoinette Louisa Brown, later Antoinette Brown Blackwell, was the first woman to be ordained as a mainstream Protestant minister in the United States. She was a well-versed public…
Antoinette Brown Blackwell, the first woman to be ordained as a mainstream Protestant minister in the U
John Hunt Morgan was a Confederate general in the American Civil War. In April 1862, he raised the 2nd Kentucky Cavalry Regiment, fought at Shiloh, and then launched a costly raid …
John Hunt Morgan, American general (died 1864)
James Squire Farnell was an Australian politician and Premier of New South Wales.
James Farnell, Australian politician, 8th Premier of New South Wales (died 1888)
Richard August Carl Emil Erlenmeyer, known simply as Emil Erlenmeyer, was a German chemist known for contributing to the early development of the theory of chemical structure and f…
Emil Erlenmeyer, German chemist (died 1909)
Olivier Émile Ollivier was a French statesman. Starting as an avid republican opposed to Emperor Napoleon III, he pushed the Emperor toward liberal reforms and in turn came increas…
Émile Ollivier, French statesman (died 1913)
Addison Crandall Gibbs was an American politician. He was the second governor of Oregon from 1862 until 1866, and previously served in the Oregon Territory's legislative body and l…
A. C. Gibbs, American lawyer and politician, 2nd Governor of Oregon (died 1886)
Georgina Hill was an English cookery book writer who wrote at least twenty-three works. She was born in Kingsdown, Bristol before moving to Tadley, Hampshire in the 1850s. She wrot…
Georgiana Hill, English cookery book writer (died 1903)
Chaim Aronson was a Lithuanian Jewish inventor and memoirist.
Chaim Aronson, Lithuanian engineer and author (died 1893)
Johann Friedrich Pfaff was a German mathematician. He is best known for his work on differential equations and as Carl Friedrich Gauss's doctoral advisor.
Johann Friedrich Pfaff, German mathematician and academic (born 1765)
Antonio Salieri was an Italian composer and teacher of the classical period. He was born in Legnago, south of Verona, in the Republic of Venice, and spent his adult life and career…
Antonio Salieri, Italian composer and conductor (born 1750)
Claude Henri de Rouvroy, Comte de Saint-Simon, better known as Henri de Saint-Simon, was a French political, economic and socialist theorist and businessman whose thought had a sub…
Claude Henri de Rouvroy, comte de Saint-Simon, French philosopher and theorist (born 1760)