Explore 385 historical events from 1820–1829.
Kristjan Jaak Peterson, also known as Christian Jacob Petersohn, was an Estonian poet, commonly regarded as a herald of Estonian national literature and the founder of modern Eston…
Kristjan Jaak Peterson, Estonian poet and author (born 1801)
Robert Stewart, 2nd Marquess of Londonderry, usually known as Lord Castlereagh, derived from the courtesy title Viscount Castlereagh by which he was styled from 1796 to 1821, was a…
Robert Stewart, Viscount Castlereagh, Irish-English politician, Secretary of State for Foreign Affairs (born 1769)
Jean Baptiste Joseph, chevalier Delambre was a French mathematician, astronomer, historian of astronomy, and geodesist. He was also director of the Paris Observatory, and author of…
Jean Baptiste Joseph Delambre, French mathematician and astronomer (born 1749)
Frederick William Herschel was a German–British astronomer and composer. He frequently collaborated with his younger sister and fellow astronomer Caroline Herschel. Born in the Ele…
William Herschel, German-English astronomer and composer (born 1738)
On 26 May 1822 there was a Pentecost worship service at the Grue Church near Kirkenær, Norway. During the service, the church caught fire and at least 113 people were killed. It is…
The deadliest fire in Norwegian history occurred at a church in Grue, killing at least 113 people
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 declared the independence of Brazil from Portugal, establishing the Empire of Brazil.
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
The Royal Astronomical Society (RAS) is a learned society and charity that encourages and promotes the study of astronomy, solar-system science, geophysics and closely related bran…
In a paper presented to the Royal Astronomical Society, English mathematician Charles Babbage proposed a difference engi
Benderli Ali Pasha was an Ottoman statesman. He was Grand Vizier of the Ottoman Empire.
Benderli Ali Pasha arrives in Constantinople as the new Grand Vizier of the Ottoman Empire; he remains in power for only
Napoleon Bonaparte, later known by his regnal name Napoleon I, was Emperor of the French from 18 May 1804 until his first abdication in 1814, with a brief restoration during the Hu…
Emperor Napoleon dies in exile on the island of Saint Helena in the South Atlantic Ocean
The Senate of the entire People of the Peloponnese provinces, commonly known as the Peloponnesian Senate, was a provisional regime that existed in the Peloponnese during the early …
Establishment of the Peloponnesian Senate by the Greek rebels
The Guardian is a British daily newspaper. It was founded in Manchester in 1821 as The Manchester Guardian and changed its name in 1959, followed by a move to London. Along with it…
The first edition of The Manchester Guardian, now The Guardian, is published
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: The Greeks defeat the Turks at the Battle of Gravia Inn
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 …
The first major battle of the Greek War of Independence against the Turks is fought in Valtetsi
Badi VII was the last ruler of the Funj Sultanate.
Badi VII, king of Sennar, surrenders his throne and realm to Isma'il Pasha, general of the Ottoman Empire, ending the ex
Badi VII was the last ruler of the Funj Sultanate.
Badi VII, king of Sennar, surrenders his throne and realm to Ismail Pasha, general of the Ottoman Empire, bringing the 3
The Battle of Carabobo, on 24 June 1821, was fought between independence fighters, led by Venezuelan General Simón Bolívar, and the Royalist forces, led by Spanish Field Marshal Mi…
Battle of Carabobo: Decisive battle in the war of independence of Venezuela from Spain
George IV was King of the United Kingdom of Great Britain and Ireland and King of Hanover from 29 January 1820 until his death in 1830. At the time of his accession to the throne, …
Coronation of George IV of the United Kingdom.
Ford Madox Brown was a British painter of moral and historical subjects, notable for his distinctively graphic and often Hogarthian version of the Pre-Raphaelite style. Arguably, h…
Ford Madox Brown, French-English soldier and painter (died 1893)
Filiki Eteria or Society of Friends was a secret political and revolutionary organization founded in 1814 in Odessa, whose purpose was to overthrow Ottoman rule in Greece and estab…
Decisive defeat of the Filiki Eteria by the Ottomans at Drăgășani (in Wallachia)
Cyprus, officially the Republic of Cyprus, is an island country in the eastern Mediterranean Sea, located off the coast of the Levant mainland in West Asia. The island of Cyprus, w…
Four hundred and seventy prominent Cypriots including Archbishop Kyprianos are executed in response to Cypriot aid to…
Spain, officially the Kingdom of Spain, is a country in Southern and Western Europe with territories in North Africa. Featuring the southernmost point of continental Europe, it is …
The Kingdom of Spain cedes the territory of Florida to the United States.
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 …
While the Mora Rebellion continues, Greeks capture Monemvasia Castle. Turkish troops and citizens are transferred to…
Sir Henry Ayers was the eighth Premier of South Australia, serving a record five times between 1863 and 1873.
Henry Ayers, English-Australian politician, 8th Premier of South Australia (died 1897)