July 4 – King Oscar I of Sweden and Norway (d. 1859) July 6 – Michael Thomas Bass, English brewer (d. 1884) August 12 Francis Abbott, Australian astronomer (d. 1883) Patrick MacDowell, Irish sculptor (d. 1870) September 1 – Ferenc Gyulay, Hungarian nobleman, general, and governor (d. 1868) September 8 – James Bowman Lindsay, Scottish inventor (d. 1862) September 10 – George Willison Adams, American abolitionist (d. 1879) October 1 – John Brown Russwurm, Americo-Liberian journalist and governor of the African Republic of Maryland (d. 1851) October 18 – Christian Friedrich Schönbein, German chemist (d. 1868) October 26 – Margaret Agnes Bunn, British actress (d. 1883) November 1 – Thomas Baldwin Marsh, American religious leader (d. 1866) November 7 – James Syme, Scottish medical reformer (d. 1870) November 29 – Amos Bronson Alcott, American philosopher, educator and writer, father of novelist Louisa May Alcott (d. 1888) December 3 – Peggy Eaton, born Margaret O'Neill, wife of United States Secretary of State John Eaton and central character in the Petticoat affair (d. 1879) December 25 – Manuel Bulnes, Chilean general and politician, President of Chile (d. 1866) Date unknown James Townsend Saward, English barrister, forger Domnița Rallou Caragea, Greek princess, independence activist (d. 1870) Deaths January–June January 9 – Maria Gaetana Agnesi, Italian mathematician (b. 1718) January 18 – Heinrich Johann Nepomuk von Crantz, Luxembourgian botanist (b. 1722) January 22 – Horace-Bénédict de Saussure, Swiss aristocrat, alpinist (b. 1740) January 26 – Gabriel Christie (British Army officer), British Army general (b. 1722) February 6 – Étienne-Louis Boullée, French architect (b. 1728) February 7 – Qianlong Emperor of China (b. 1711) February 9 – Johann Baptist Babel, Swiss sculptor (b. 1716) February 12 František Xaver Dušek, Czech composer (b. 1731) Lazzaro Spallanzani, Italian biologist, physiologist (b. 1729) February 16 – Charles Theodore, Elector of Bavaria (b. 1724) February 19 – Jean-Charles de Borda, French mathematician, physicist, political scientist, and sailor (b. 1733) February 22 – Heshen, Manchu official under Qianlong (b. 1750) February 24 – Georg Christoph Lichtenberg, German scientist, satirist, and Anglophile (b. 1742) March 13 – Richard Hotham, English property developer and politician (b. 1722) March 17 – Sir Charles Thompson, 1st Baronet, British admiral, politician (b. c. 1740) March 18 Charles Guillaume Le Normant d'Étiolles, French official, husband of Madame de Pompadour (b. 1717) Adam Friedrich Oeser, German etcher (b. 1717) March 28 – Etta Palm d'Aelders, Dutch-French feminist