Explore 482 historical events from 1820–1829.
Caroline Dorothea Elisabeth Ackermann was a German actress and eldest daughter of Konrad Ackermann and Sophie Charlotte Bierreichel. She had one sister, Charlotte Ackermann, and on…
Dorothea Ackermann, German actress (born 1752)
Elias Boudinot was an American Founding Father, lawyer, statesman, and early abolitionist and women's rights advocate. During the Revolutionary War, Boudinot was an intelligence of…
Elias Boudinot, American lawyer and politician, 10th President of the Continental Congress (born 1740)
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: At the Battle of Gravia Inn, a 120-man Greek force led by Odysseas Androutsos repulsed an Ott
The Peruvian War of Independence was a series of military conflicts in Peru from 1809 to 1826 that resulted in the country's independence from the Spanish Empire. Part of the broad…
Peruvian War of Independence: Argentine general José de San Martín declared the independence of Peru from the Spanish…
The statue of A'a from Rurutu is a wooden sculpture of the god A'a that was made on the Pacific island of Rurutu in the Austral archipelago most likely in the late 1500s to mid 160…
The statue of A'a from Rurutu was presented to members of the London Missionary Society on the south Pacific island of…
The statue of A'a from Rurutu is a wooden sculpture of the god A'a that was made on the Pacific island of Rurutu in the Austral archipelago most likely in the late 1500s to mid 160…
A statue of the Polynesian god A'a was presented to members of the London Missionary Society on the south Pacific…
The Act of Independence of Central America, also known as the Act of Independence of Guatemala, is the legal document by which the Provincial Council of the Province of Guatemala p…
The Province of Guatemala proclaimed the independence of Central America from the Spanish Empire.
The Declaration of Independence of the Mexican Empire is the document by which Mexico declared independence from the Spanish Empire. This founding document of the Mexican nation wa…
The Declaration of Independence of the Mexican Empire from Spain was drafted in the National Palace in Mexico City.
The Cato Street Conspiracy was a plot to murder all the British cabinet ministers and the Prime Minister Lord Liverpool in 1820. The name comes from the meeting place near Edgware …
Execution of the Cato Street Conspirators, who plotted to kill the British Cabinet and Prime Minister Lord Liverpool
Constitutionalism is "a compound of ideas, attitudes, and patterns of behavior elaborating the principle that the authority of government derives from and is limited by a body of f…
Constitutionalist insurrection at Oporto, Portugal.
The history of Portugal can be traced from circa 400,000 years ago, when the region of present-day Portugal was inhabited by Homo heidelbergensis.
Constitutionalist revolution in Lisbon, Portugal.
Guayaquil, officially Santiago de Guayaquil, is the capital of Guayas Province and the seat of Guayaquil Canton. It is the largest city in Ecuador and also the nation's economic ca…
Guayaquil declares independence from Spain.
Alexander Joy Cartwright Jr. was a founding member of the New York Knickerbockers Base Ball Club in the 1840s. Although he was an inductee of the Baseball Hall of Fame and he was s…
Alexander Cartwright, American firefighter and (disputed) inventor of baseball (died 1892)
Herbert Spencer was an English polymath active as a philosopher, psychologist, biologist, sociologist, and anthropologist. Spencer originated the expression "survival of the fittes…
Herbert Spencer, English biologist, anthropologist, sociologist, and philosopher (died 1903)
Julia Gardiner Tyler was the first lady of the United States from June 26, 1844, to March 4, 1845, as the second wife of President John Tyler. A member of the influential Gardiner …
Julia Gardiner Tyler, American wife of John Tyler, 11th First Lady of the United States (died 1889)
John Whiteaker was an American politician, soldier, and judge. A native of Indiana, he joined the army during the Mexican–American War and then prospected during the California Gol…
John Whiteaker, American soldier, judge, and politician, 1st Governor of Oregon (died 1902)
Sir James Martin, QC was three times Premier of New South Wales, and Chief Justice of New South Wales from 1873 to 1886.
James Martin, Irish-Australian politician, 6th Premier of New South Wales (died 1886)
James Buchanan Eads was an American civil engineer and inventor. He held more than 50 patents and was known internationally. He designed and built the Eads Bridge over the Mississi…
James Buchanan Eads, American engineer, designed the Eads Bridge (died 1887)
Lorenzo Sawyer was an American lawyer and judge who was appointed to the Supreme Court of California in 1860 and served as the ninth Chief Justice of California from 1868 to 1870. …
Lorenzo Sawyer, American lawyer and judge (died 1891)
Florence Nightingale was an English social reformer, statistician and the founder of modern nursing. Nightingale came to prominence while serving as a manager and trainer of nurses…
Florence Nightingale, Italian-English nurse, social reformer, and statistician (died 1910)
Thomas Worthington Whittredge was an American artist of the Hudson River School. Whittredge was a highly regarded artist of his time, and was friends with several leading Hudson Ri…
Worthington Whittredge, American painter (died 1910)
Pierre-Joseph-Olivier Chauveau was a Canadian lawyer and politician. Chauveau was the first premier of Quebec, following the establishment of Canada in 1867. Appointed to the offic…
Pierre-Joseph-Olivier Chauveau, Canadian lawyer and politician, 1st Premier of Quebec (died 1890)
John Bartlett was an American writer and publisher and the editor of Bartlett's Familiar Quotations, which he revised continuously and published in several editions. Since Bartlett…
John Bartlett, American author and publisher (died 1905)
Athanase Josué Coquerel was a French Protestant theologian.
Athanase Josué Coquerel, Dutch-French preacher and theologian (died 1875)