Explore 394 historical events from 1800–1809.
The Battle of Delhi or Battle of Patparganj took place on 11 September 1803 during the Second Anglo-Maratha War, between British East India Company troops of the Bombay Army under …
The Battle of Delhi, during the Second Anglo-Maratha War, between British troops under General Lake, and Marathas of…
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)
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.
John Dalton was an English chemist, physicist, and meteorologist whose work laid the foundations of modern atomic theory and stoichiometric chemistry. Building on earlier ideas abo…
British scientist John Dalton begins using symbols to represent the atoms of different elements.
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)
John Newton Brown was an influential Baptist teacher, minister and publisher in the 19th century.
John Newton Brown, American minister and author (died 1868)
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)
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)
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)
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
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)
John Ericsson was a Swedish-American engineer and inventor. He was active in England and the United States.
John Ericsson, Swedish-American engineer, co-designed the USS Princeton and the Novelty Locomotive (died 1889)
Sir Joseph Paxton was an English gardener, architect, engineer and Liberal Member of Parliament. He is best known for designing the Crystal Palace, which was built in Hyde Park, Lo…
Joseph Paxton, English gardener and architect, designed The Crystal Palace (died 1865)
Prince Vladimir Fyodorovich Odoyevsky was a Russian philosopher, writer, music critic, philanthropist, and pedagogue. He became known as the 'Russian Hoffmann' and even the 'Russia…
Vladimir Odoyevsky, Russian philosopher and critic (died 1869)
Nathan Clifford was an American statesman, diplomat and jurist.
Nathan Clifford, American lawyer, jurist, and politician, 19th United States Attorney General (died 1881)
Edward Beecher was an American theologian, the son of Lyman Beecher and the brother of Harriet Beecher Stowe and Henry Ward Beecher.
Edward Beecher, American minister and theologian (died 1895)