Died in 1800

Jan 4 Giovanni Battista Mancini an Italian soprano castrato, voice teacher, and author of books on singing.
Jan 9 Jean Étienne Championnet Vachier, called Championnet , French general, enlisted in the army at an early age and served in the Great Siege of Gibraltar.
Jan 13 Peter von Biron the last Duke of Courland from 1769 to 1795.
Jan 23 Edward Rutledge an American politician, a slaveholder and youngest signer of the United States Declaration of Independence. He later served as the 39th Governor of South Carolina
Jan 23 Gottlieb Stephanie an Austrian playwright, director and librettist, most famously to Mozart. Stephanie was born in Breslau, Prussia, but came to Vienna during the Seven Years' War as a Prussian prisoner of war. He was appointed to head the National Singspiel, a favourite project of Emperor Joseph He died in Vienna, aged 58
Feb 17 John MacBride (Royal Navy officer) an officer of the Royal Navy and a politician who saw service during the Seven Years' War, the American War of Independence and the French Revolutionary Wars, eventually rising to the rank of Admiral of the Blue.
Feb 17 Jean-Baptiste Perrée a French Navy officer and Rear-admiral.
Feb 23 Joseph Warton an English academic and literary critic.
Feb 27 Princess Marie Adélaïde of France the fourth daughter and sixth child of King Louis XV of France and his consort, Marie Leszczyńska. As the daughter of the king, she was a Fille de France. She was referred to as Madame Adélaïde from 1737 to 1755 and from 1759 to her death, and simply as Madame from 1755 to 1759
Mar 9 Friedrich Wilhelm von Erdmannsdorff a German architect and architectural theoretician, and one of the most significant representatives of early German Neoclassicism. His work included Wörlitz House in Wörlitzer Park near Dessau, one of the earliest classical houses on the European continent. His most well-known student was Friedrich Gilly, the teacher of Karl Friedrich Schinkel
Mar 13 Nana Fadnavis an influential minister and statesman of the Maratha Empire during the Peshwa administration in Pune, India. James Grant Duff states that he was called "the Marattha Machiavelli" by the Europeans
Mar 14 Daines Barrington an English lawyer, antiquary and naturalist.
Mar 19 Joseph de Guignes a French orientalist, sinologist and Turkologist born at Pontoise, the son of Jean Louis de Guignes and Françoise Vaillant. He died at Paris
Mar 21 William Blount an American statesman and land speculator, and a signer of the United States Constitution. He was a member of the North Carolina delegation at the Constitutional Convention of 1787, and led efforts in North Carolina to ratify the Constitution in 1789. He subsequently served as the only governor of the Southwest Territory, and played a leading role in helping the territory gain admission to the Union as the State of Tennessee. He was selected as one of Tennessee's initial U.S. senators in 1796
Mar 25 Friedrich Adam Julius von Wangenheim a German botanist specializing in forestry, and was the citing authority for a number of described eastern North American plant species. He was also a Hessian soldier, and during his service in the thirteen colonies devoted his leisure time to botanical studies of American forests. When he returned to Prussia, he wrote up his research and strongly advocated importing suitable American species of trees and shrubs for use in German forests
Mar 29 Marc René marquis de Montalembert a French military engineer and writer, known for his work on fortifications.
Apr 13 Kazimierz Poniatowski a Polish Szlachcic, podkomorzy wielki koronny , generał wojsk koronnych. Knight of the Order of the White Eagle, awarded on August 3, 1744 in Warsaw
Apr 19 Jean-Antoine Marbot a French general and politician.
Apr 25 William Cowper an English poet and hymnodist. One of the most popular poets of his time, Cowper changed the direction of 18th century nature poetry by writing of everyday life and scenes of the English countryside. In many ways, he was one of the forerunners of Romantic poetry. Samuel Taylor Coleridge called him "the best modern poet", whilst William Wordsworth particularly admired his poem Yardley-Oak. He was a nephew of the poet Judith Madan
Apr 27 Yevstigney Fomin a Russian opera composer of the 18th century.
May 1 Margravine Philippine of Brandenburg-Schwedt a daughter of Margrave Frederick William of Brandenburg-Schwedt and Princess Sophia Dorothea of Prussia. By her marriage to Frederick II, Landgrave of Hesse-Cassel, she became Landgravine of Hesse-Kassel
May 4 Armand duc d'Aiguillon II de Vignerot du Plessis de Richelieu, duke of Aiguillon succeeded his father Emmanuel-Armand de Richelieu, duc d'Aiguillon.
May 7 Niccolò Piccinni an Italian composer of symphonies, sacred music, chamber music, and opera. Although he is somewhat obscure, even to music lovers today, Piccinni was one of the most popular composers of opera—particularly the Neapolitan opera buffa—of his day
May 7 Jean-Baptiste Vallin de la Mothe a French architect whose major career was spent in Petersburg, where he became court architect to Catherine II.
May 18 Alexander Suvorov the last Generalissimo of the Russian Empire.
May 21 Carl August Ehrensvärd a Swedish naval officer, painter, author, and neo-classical architect.
May 23 Henry Cort an English ironmaster. During the Industrial Revolution in England, Cort began refining iron from pig iron to wrought iron using innovative production systems. In 1783 he patented the puddling process for refining iron ore. The Henry Cort Community College bears his name and is located in the town of Fareham, in the south of Hampshire, England
Jun 10 Johann Abraham Peter Schulz a German musician and composer. Today he is best known as the composer of the melody for Matthias Claudius's poem "Der Mond ist aufgegangen" and the Christmas carol "Ihr Kinderlein kommet"
Jun 14 Louis Desaix a French general and military leader. According to the usage of the time, he took the name Louis Charles Antoine Desaix de Veygoux
Jun 14 Jean Baptiste Kléber a French general during the French Revolutionary Wars. His military career started in Habsburg service, but his plebeian ancestry hindered his opportunities. Eventually, he volunteered for the French Army in 1792, and rose through the ranks
Jun 20 Abraham Gotthelf Kästner a German mathematician and epigrammatist.
Jun 27 William Cumberland Cruikshank a British chemist and anatomist. He was the author of The Anatomy of the Absorbing Vessels of the Human Body, which was first published in 1786
Jun 28 Théophile Corret de la Tour d'Auvergne a French officer named by Napoleon "first grenadier of France". He was also a celtomaniac antiquarian who introduced the words "dolmen" and "menhir" into general archaeological usage
Jul 14 Lorenzo Mascheroni an Italian mathematician.
Jul 23 John Rutledge an American statesman, lawyer, and judge. He was a delegate to the Stamp Act Congress and the Continental Congress, President and then Governor of South Carolina during the American Revolution, a delegate to the Constitutional Convention of 1787, an Associate Justice of the U.S. Supreme Court, and second Chief Justice. He was the elder brother of Edward Rutledge, a signatory of the Declaration of Independence. Like nearly all important men in South Carolina at the time, he was a slaveowner
Aug 3 Carl Friedrich Christian Fasch a German composer and harpsichordist.
Aug 3 Friedrich Gilly a German architect and the son of the architect David Gilly.
Aug 18 Charles Louis L'Héritier de Brutelle an 18th-century French botanist and magistrate. Born into an affluent upper-class Parisian family, connections with the French Royal Court secured him the position of Superindent of Parisian Waters and Forests at the age of twenty-six. In this capacity, L'Héritier conducted various studies of native trees and shrubs, also gaining interest in exotic flora
Aug 18 Jeongjo of Joseon the 22nd ruler of the Joseon Dynasty of Korea. He made various attempts to reform and improve the nation of Joseon. He was preceded by his grandfather King Yeongjo and succeeded by his son King Sunjo
Sep 2 Maciej Radziwiłł a Polish-Lithuanian noble , composer and librettist.
Sep 8 Pierre Gaviniès a French violinist and composer.
Sep 8 Ernest Frederick Duke of Saxe-Coburg-Saalfeld a Duke of Saxe-Coburg-Saalfeld.
Sep 10 Johann David Schoepff a German botanist, zoologist, and physician.
Sep 12 John Blair Jr. an American politician, Founding Father and jurist.
Sep 13 Claude Martin an officer in the French, and later the British, army in India. He rose to the position of Major General in the British East India Company's Bengal Army. Martin was born in Lyon, France, into a humble background, and was a self-made man who has left a substantial lasting legacy in the form of his writings, buildings and the educational institutions he founded posthumously. There are seven schools named after him, two in Lucknow, two in Calcutta and three in Lyon. The small village of Martin Purwa in India was also named after him
Sep 17 Johann Euler a Swiss-Russian astronomer and mathematician. Also known as Johann Albert Euler or John-Albert Euler, he was the first child born to the great Swiss mathematician Leonhard Euler who had emigrated to Saint-Petersburg on 17 May 1727. His mother was Katharina Gsell whose maternal grandmother was the famous scientific illustrator Maria Sibylla Merian and whose father was the Swiss Baroque painter Georg Gsell who had emigrated to Russia in 1716. Katharina married Leonhard Euler on 7 January 1734 and Johann Albert would be the eldest of their 13 children
Sep 26 William Billings regarded as the first American choral composer.
Sep 26 Salawat Yulayev a Bashkir national hero who participated in Pugachev's Rebellion.
Sep 29 Michael Denis an Austrian poet, bibliographer, and lepidopterist.
Oct 4 Johann Hermann a French physician and naturalist.