Explore 274 historical events from 1800–1809.
The Haitian Revolution, also known as the Haitian War of Independence, was a successful insurrection by enslaved Africans against French colonial rule in Saint-Domingue, now the so…
Haitian Revolution: The Royal Navy led by Rear-Admiral John Thomas Duckworth commence the blockade of Saint-Domingue aga
Alexander von Nordmann was a Finnish biologist, who contributed to zoology, parasitology, botany and paleontology.
Alexander von Nordmann, Finnish biologist and paleontologist (died 1866)
Edward George Earle Lytton Bulwer-Lytton, 1st Baron Lytton, GCMG, PC was an English writer and politician. He served as a Whig member of Parliament from 1831 to 1841 and a Conserva…
Edward Bulwer-Lytton, English author, playwright, and politician, Secretary of State for the Colonies (died 1873)
Ralph Waldo Emerson, who went by his middle name Waldo, was an American essayist, lecturer, philosopher, minister, abolitionist, and poet who led the Transcendentalist movement of …
Ralph Waldo Emerson, American poet and philosopher (died 1882)
John Newton Brown was an influential Baptist teacher, minister and publisher in the 19th century.
John Newton Brown, American minister and author (died 1868)
The Louisiana Purchase was the acquisition of the territory of Louisiana by the United States from the French First Republic in 1803. This consisted of most of the land in the Miss…
The Louisiana Purchase is announced to the US people.
The Convention of Artlenburg or Elbkonvention was the surrender of the Electorate of Hanover to Napoleon's army, signed at Artlenburg on 5 July 1803 by Oberbefehlshaber Johann Ludw…
The Convention of Artlenburg is signed, leading to the French occupation of the Electorate of Hanover (which had been…
The Surrey Iron Railway (SIR) was a horse-drawn narrow-gauge plateway that linked Wandsworth and Croydon via Mitcham, all then in Surrey but now suburbs of south London, in England…
The Surrey Iron Railway, arguably the world's first public railway, opens in south London, United Kingdom.
Albrecht Theodor Emil Graf von Roon was a Prussian soldier and statesman. As Minister of War from 1859 to 1873, Roon, along with Otto von Bismarck and Helmuth von Moltke, was a dom…
Albrecht von Roon, Prussian soldier and politician, 10th Minister President of Prussia (died 1879)
James Clarence Mangan, born James Mangan, was an Irish poet. He freely translated works from German, Turkish, Persian, Arabic, and Irish, with his translations of Goethe gaining sp…
James Clarence Mangan, Irish poet and author (died 1849)
Justus Freiherr von Liebig was a German scientist who made major contributions to the theory, practice, and pedagogy of chemistry, as well as to agricultural and biological chemist…
Justus von Liebig, German chemist and academic (died 1873)
Thomas Lovell Beddoes was an English poet, dramatist and physician.
Thomas Lovell Beddoes, English poet, playwright, and physician (died 1849)
John Adams II was an American government functionary and businessman. The second son of President John Quincy Adams and Louisa Adams, he is usually called John Adams II to distingu…
John Adams II , son of President John Quincy Adams and grandson of President John Adams (died 1834)
George Henry Borrow was an English writer of novels and of travel based on personal experiences in Europe. His travels gave him a close affinity with the Romani people of Europe, w…
George Borrow, British writer (died 1881)
Juan Nepomuceno Almonte Ramírez was a Mexican soldier, commander, minister of war, congressman, diplomat, presidential candidate, and regent. The natural son of Catholic cleric Jos…
Juan Almonte, son of José María Morelos, was a Mexican soldier and diplomat who served as a regent in the Second Mexican
Peter Louis Marie Chanel, SM, was a Catholic priest, missionary, and martyr. Chanel was a member of the Society of Mary and was sent as a missionary to Oceania. He arrived on the i…
Peter Chanel, French priest and saint (died 1841)
Adolphe Charles Adam was a French composer, teacher and music critic. A prolific composer for the theatre, he is best known today for his ballets Giselle (1841) and Le corsaire (18…
Adolphe Adam, French composer and critic (died 1856)
Alexander Jackson Davis was an American architect known particularly for his association with the Gothic Revival style.
Alexander J. Davis, American architect (died 1892)
Matthew Thornton was an Irish-born Founding Father of the United States who signed the United States Declaration of Independence as a representative of New Hampshire.
Matthew Thornton, Irish-American judge and politician (born 1714)
L'Aigle is a L6 meteorite that fell on 26 April 1803 over L'Aigle, Lower Normandy, France, during a meteor shower. Before the event, it was generally believed that meteorites were …
Thousands of meteor fragments fell over L'Aigle, France, becoming a milestone in the understanding of meteorites
The Louisiana Purchase was the acquisition of the territory of Louisiana by the United States from the French First Republic in 1803. This consisted of most of the land in the Miss…
The United States purchased France's claim to the Louisiana Territory for 80 million francs, or less than US$
The Law of 20 May 1802 was a decree passed by First Consul Napoleon of the French First Republic on 20 May 1802 that reinstated slavery. It decreed the reinstatement and continuati…
By the Law of 20 May 1802, Napoleon Bonaparte reinstates slavery in the French colonies, revoking its abolition in the F
Charles Emmanuel IV was King of Sardinia and ruler of the Savoyard states from 16 October 1796 until 1802, when he abdicated in favour of his brother Victor Emmanuel I.
King Charles Emmanuel IV of Sardinia abdicates his throne in favor of his brother, Victor Emmanuel
Gia Long, born Nguyễn Phúc Ánh (阮福暎) or Nguyễn Ánh (阮暎), was the founding emperor of the Nguyễn dynasty, the last dynasty of Vietnam, which would rule the unified territories that …
Emperor Gia Long conquers Hanoi and unified Viet Nam, which had experienced centuries of feudal warfare.