4 – Timothy Brown, English banker, merchant and radical (b. 1743/1744) September 16 – Nguyễn Du, Vietnamese poet (b. 1766) September 18 – Mariana Joaquina Pereira Coutinho, Portuguese courtier, salonnière (b. 1748) September 26 – Daniel Boone, American pioneer (b. 1734) September 28 – Pedro Andrés del Alcázar, Spanish and later Chilean Army officer and war hero (b. 1752) September 29 – Barthelemy Lafon, Creole architect and smuggler (b. 1769) October 8 – Henri Christophe, Haitian revolutionary leader (suicide) (b. 1767) October 11 – James Keir, Scottish geologist, chemist and industrialist (b. 1735) October 15 – Karl Philipp Fürst zu Schwarzenberg, Austrian field marshal (b. 1771) November 1 – Pierre Martin, French admiral (b. 1752) November 8 – Lavinia Stoddard, American poet and school founder (b. 1787) December 25 – Joseph Fouché, French statesman (b. 1759) December 29 – Princess Pauline of Anhalt-Bernburg, German regent and social reformer (b. 1769) References Leap years in the Gregorian calendar