promoter (d. 1884) September 2 – William Seymour Tyler, American educator, historian (d. 1897) September 11 – James Pollock, American politician (d. 1890) September 29 – Elizabeth Gaskell, British novelist (d. 1865) October 8 – James W. Marshall, American contractor, builder of Sutter's Mill (d. 1885) November 2 – Andrew A. Humphreys, American general, civil engineer (d. 1883) November 3 – Yisroel Salanter, father of the Musar movement in Orthodox Judaism (d. 1883) November 8 – Pierre Bosquet, French general, Marshal of France (d. 1861) November 26 – William Armstrong, 1st Baron Armstrong, English engineer, inventor of the Hydraulic accumulator (d. 1900) December 7 – Theodor Schwann, German physiologist (d. 1882) December 11 – Alfred de Musset, French poet (d. 1857) December 24 – Wilhelm Marstrand, Danish painter (d. 1873) Date unknown Nicolae Golescu, 9th Prime Minister of Romania (d. 1877) Deaths January–June January 15 – Yekaterina Romanovna Vorontsova-Dashkova, Russian princess, courtier and patron of the arts and sciences, first woman to head a scientific academy (b. 1743) January 20 – Benjamin Chew, Chief Justice of colonial Pennsylvania (b. 1722) January 23 – Johann Wilhelm Ritter, German chemist, physicist (b. 1776) February 20 – Andreas Hofer, Tyrolean national hero (executed) (b. 1767) February 22 – Charles Brockden Brown, American novelist (b. 1771; tuberculosis) February 24 – Henry Cavendish, British scientist (b. 1731) March 7 – Cuthbert Collingwood, 1st Baron Collingwood, British admiral (b. 1750) March 10 – Augusta Dorothea, Abbess of Gandersheim, German princess (b. 1749) March 12 – Jean-François-Auguste Moulin, member of the French Directory (b. 1752) April 25 – Jacob Broom, American businessman and politician (b. 1752) April 26 – John Metcalf, English roadbuilder (b. 1717) May 9 – Benjamin Lincoln, major general in the Continental Army during the American Revolutionary War (b. 1733) May 21 – Chevalier d'Eon, French-born diplomat, spy, soldier and transvestite (b. 1728) June 7 – Luigi Schiavonetti, Italian engraver (b. 1765) June 26 – Joseph-Michel Montgolfier, French inventor (b. 1740) July–December July 6 – Andrianampoinimerina, ruler of Madagascar (b. 1745) July 19 – Louise of Mecklenburg-Strelitz, Queen of Prussia (b. 1776) August 12 – Étienne Louis Geoffroy, French pharmacist, entomologist (b. 1725) August 26 – Santiago de Liniers, 1st Count of Buenos Aires, French officer in Spanish colonial military service (executed) (b. 1753) September 13 – William Cushing, Associate Justice of the Supreme Court of the United States (b. 1732) September 17 –