Explore 482 historical events from 1820–1829.
Johann Baptist Strauss II, also known as Johann Strauss Jr., the Younger, the Son, or simply Johann Strauss, was an Austrian composer of light music, particularly dance music and o…
Johann Strauss II, Austrian composer and educator (died 1899)
Johann Friedrich Julius Schmidt was a German astronomer and geophysicist. He was the director of the National Observatory of Athens in Greece from 1858 to 1884. Julius Schmidt was …
Johann Friedrich Julius Schmidt, German astronomer and geophysicist (died 1884)
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)
Odysseas Androutsos was a Greek armatolos in eastern continental Greece and a prominent figure of the Greek War of Independence.
Odysseas Androutsos, Greek soldier (born 1788)
Pierre "Peter" Charles L'Enfant was a French-American artist, professor, and military engineer. In 1791, L'Enfant designed the baroque-styled plan for the development of Washington…
Pierre Charles L'Enfant, French-American architect and engineer, designed Washington, D
Thomas Peabody Grosvenor was a United States representative from New York.
Thomas P. Grosvenor, American soldier and politician (born 1744)
Admiral of the Red William Waldegrave, 1st Baron Radstock, GCB was a Royal Navy officer and colonial administrator who served as the governor of Newfoundland.
William Waldegrave, 1st Baron Radstock, English admiral and politician, Governor of Newfoundland (born 1753)
José Bernardo de Tagle y Portocarrero, 4th Marquess of Torre Tagle, was a Peruvian soldier and politician who served as the Interim President of Peru in 1823 as well as the second …
José Bernardo de Tagle y Portocarrero, Marquis of Torre Tagle, Peruvian soldier and politician, 2nd President of Peru…
Maximilian I Joseph was Duke of Zweibrücken from 1795 to 1799, prince-elector of Bavaria from 1799 to 1806, then King of Bavaria from 1806 to 1825. He was a member of the House of …
Maximilian I Joseph, king of Bavaria (born 1756)
Locomotion No. 1 is an early steam locomotive that was built in 1825 by the pioneering railway engineers George and Robert Stephenson at their manufacturing firm, Robert Stephenson…
Locomotion No. 1 hauled the train on the opening day of the Stockton and Darlington Railway, the first public railway…
Ludwig van Beethoven was a German composer and pianist. Mentored during the Classical period, he incorporated more complex structure and emotion in his later works. Beethoven's mus…
World premiere of Ludwig van Beethoven's Ninth Symphony in Vienna, Austria
The National Gallery is an art museum in Trafalgar Square in the City of Westminster, in Central London, England. Founded in 1824, it houses a collection of more than 2,300 paintin…
The National Gallery in London opens to the public
The Royal Society for the Prevention of Cruelty to Animals (RSPCA) is a charity operating in England and Wales which promotes animal Activism. The RSPCA is funded primarily by volu…
A meeting at Old Slaughter's coffee house in London leads to the formation of what is now the Royal Society for the Prev
The Federal Constitution of the United Mexican States of 1824 was the first constitution of Mexico, enacted on October 4 of 1824, inaugurating the First Mexican Republic.
Mexico adopts a new constitution and becomes a federal republic.
Alexander William Williamson FRS FRSE PCS MRIA was an English chemist. He is best known today for the Williamson ether synthesis.
Alexander William Williamson, English chemist and academic (died 1904)
William Walker was an American journalist and mercenary. In the era of the expansion of the United States, driven by the doctrine of manifest destiny, Walker organized unauthorized…
William Walker, American physician, lawyer, journalist and mercenary (died 1860)
The Greek War of Independence, also known as the Greek Revolution or the Greek Revolution of 1821, was a successful war of independence fought by Greek revolutionaries against the …
Greek War of Independence: Egyptian forces capture Psara in the Aegean Sea
Costa Rica, officially the Republic of Costa Rica, is a country in Central America. It borders Nicaragua to the north, the Caribbean Sea to the northeast, Panama to the southeast, …
Costa Rica annexes Guanacaste from Nicaragua.
The Greek War of Independence, also known as the Greek Revolution or the Greek Revolution of 1821, was a successful war of independence fought by Greek revolutionaries against the …
Greek War of Independence: Konstantinos Kanaris leads a Greek fleet to victory against Ottoman and Egyptian naval…
The Peruvian War of Independence was a series of military conflicts in Peru from 1809 to 1826. Part of the broader Spanish American wars of independence, it led to the dissolution …
Peruvian War of Independence: Patriot forces led by Simón Bolívar defeat the Spanish Royalist army in the Battle of…
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 …
The Marquis de Lafayette, the last surviving French general of the American Revolutionary War, arrives in New York and…
Jacob ben Moses Bachrach was a noted apologist of Rabbinic Judaism. He was descended from Rabbi Yair Chayim Bacharach, and in turn from the Maharal of Prague.
Jacob ben Moses Bachrach, Polish apologist and author (died 1896)