Explore 482 historical events from 1820–1829.
Alexis Bidagan dit St-Martin was a Canadian voyageur who is known for his part in experiments on digestion in humans, conducted on him by the American Army physician William Beaumo…
Alexis St Martin is accidentally shot in the stomach, leading to William Beaumont's studies on digestion
Charles Babbage was an English polymath. A mathematician, philosopher, inventor and mechanical engineer, Babbage originated the concept of a digital programmable computer.
Charles Babbage proposes a difference engine in a paper to the Royal Astronomical Society
Konstantinos Kanaris, also anglicised as Constantine Kanaris or Canaris, was a Greek statesman, an admiral, and a hero of the Greek War of Independence (1821–1829).
Konstantinos Kanaris blows up the Ottoman navy's flagship at Chios, killing the Kapudan Pasha Nasuhzade Ali Pasha
The Battle of Dervenakia was the Greek victory over the Ottoman forces on 6–8 August 1822, an important event in the Greek War of Independence.
First day of the three-day Battle of Dervenakia, between the Ottoman Empire force led by Mahmud Dramali Pasha and the…
Dom Pedro I, known in Brazil and in Portugal as "the Liberator" or "the Soldier King" in Portugal, was the founder and first ruler of the Empire of Brazil from 1822 to 1831 and Kin…
Dom Pedro I declares Brazil independent from Portugal on the shores of the Ipiranga Brook in São Paulo.
Dom Pedro I, known in Brazil and in Portugal as "the Liberator" or "the Soldier King" in Portugal, was the founder and first ruler of the Empire of Brazil from 1822 to 1831 and Kin…
Pedro I of Brazil is proclaimed the emperor.
The first siege of Missolonghi was an attempt by Ottoman forces to capture the strategically located port town of Missolonghi during the early stages of the Greek War of Independen…
Greek War of Independence: The First Siege of Missolonghi begins.
The Ojibwe are an Anishinaabe people whose homeland covers much of the Great Lakes region and the northern plains, extending into the subarctic and throughout the northeastern wood…
Chippewas turn over a huge tract of land in Ontario to the United Kingdom.
José Francisco de San Martín y Matorras, nicknamed "the Liberator of Argentina, Chile and Peru", was an Argentine general and the primary leader of the southern and central parts o…
José de San Martín arrives in Guayaquil, Ecuador, to meet with Simón Bolívar.
Augustin-Jean Fresnel was a French civil engineer and physicist whose research in optics led to the almost unanimous acceptance of the wave theory of light, fully supplanting Newto…
French physicist Augustin-Jean Fresnel, in a "note" read to the Academy of Sciences, reports a direct refraction…
Jean-François Champollion, also known as Champollion le jeune, was a French philologist and orientalist, known primarily as the decipherer of Egyptian hieroglyphs and a founding fi…
Jean-François Champollion officially informs the Académie des Inscriptions et Belles Lettres in France that he has…
Frederick Law Olmsted was an American landscape architect, journalist, social critic, and public administrator. He is considered to be the father of landscape architecture in the U…
Frederick Law Olmsted, American journalist and designer, co-designed Central Park (died 1903)
Ulysses S. Grant was the 18th president of the United States, serving from 1869 to 1877. He previously led the Union Army to victory in the American Civil War in 1865 as commanding…
Ulysses S
Jane Miller Thengberg was a Swedish-Scottish teacher. She founded and managed the girls' school Klosterskolan in Uppsala from 1855 to 1863 and was the principal of the Högre lärari…
Jane Miller Thengberg, Scottish-Swedish governess and educator (died 1902)
Sir Charles-Eugène-Napoléon Boucher de Boucherville was a Canadian politician and medical doctor. He twice served as the premier of Quebec.
Charles Boucher de Boucherville, Canadian physician and politician, 3rd Premier of Quebec (died 1915)
Francisco de Asís de Borbón was King of Spain as the husband of Queen Isabella II from their marriage in 1846 until Isabella's deposition in 1868. Francisco and his wife were doubl…
Francis, Duke of Cádiz (died 1902)
Mathew B. Brady was an American photographer. Known as one of the earliest and most famous photographers in American history, he is best known for his scenes of the American Civil …
Mathew Brady, American photographer and journalist (died 1896)
Frédéric Passy was a French economist and pacifist who was a founding member of several peace societies and the Inter-Parliamentary Union. He was also an author and politician, sit…
Frédéric Passy, French economist and academic, Nobel Prize laureate (died 1912)
Edmond Louis Antoine Huot de Goncourt was a French writer, literary critic, art critic, book publisher and the founder of the Académie Goncourt.
Edmond de Goncourt, French author and critic, founded the Académie Goncourt (died 1896)
Clementina Maude, Viscountess Hawarden, commonly known as Lady Clementina Hawarden, was a Scottish amateur portrait photographer of the Victorian era. She produced over 800 photogr…
Clementina Maude, Viscountess Hawarden, English portrait photographer (died 1865)
Carl Ernst Heinrich Schmidt, also Karl Genrikhovich Schmidt was a Baltic German chemist from the Livonia Governorate, Russian Empire.
Carl Schmidt, Latvian-German chemist and academic (died 1894)
Alfonso Giacomo Gaspare Corti was an Italian anatomist. He was born in Gambarana, near Pavia in 1822.
Alfonso Corti, Italian anatomist (died 1876)
Nguyễn Đình Chiểu was a Vietnamese poet who was known for his nationalist and anti-colonial writings against the French colonization of Cochinchina, the European name for the south…
Nguyễn Đình Chiểu, Vietnamese poet and activist (died 1888)
Princess Augusta of Cambridge was a member of the British royal family as the granddaughter of George III. She married into the Grand Ducal House of Mecklenburg-Strelitz and became…
Princess Augusta of Cambridge (died 1916)