Joseph Priestley (1733-1804)
Feb 6 English chemist, theologian and author who discovered oxygen and carbonated water, dies at 70
Immanuel Kant (1724-1804)
Feb 12 German philosopher (Zum ewigen Frieden), dies at 79
- Mar 1 Wolfgang Nicolaus Haueisen, German organist, composer, and pedagogue, dies at 63
- Mar 4 Carl Leopold Röllig, German composer, glass-harmonica player, composer, and inventor (bowed pianos - orphica and xänorphika), dies at about 65 [birth date uncertain]
- Mar 16 Francisco marquis Albergati Capacelli, Italian playwright, dies at 75
- Mar 20 Ignaz Malzat, composer, dies at 47
- Mar 21 Louis-Antoine-Henri de Bourbon-Condé, duc d'Enghien (executed) (b. 1772)
- Mar 30 Victor-François, 2nd duc de Broglie, Marshal of France (b. 1718)
- Apr 3 Jędrzej Kitowicz, Polish priest (b. 1727/1728)
Jacques Necker (1732-1804)
Apr 9 French finance minister of Louis XVI whose decisions contributed to the outbreak of the French Revolution, dies at 71
- Apr 15 Charles Pichegru, French army general and royalist who plotted to overthrow Napoleon, strangles himself in prison at 43
- Apr 28 Hans Gram, Danish composer, dies at 49
- May 4 Simon Stijl, Frisian physician and writer, dies at 73
- May 24 Simon Style, Fries medical/writer, dies at 73
- Jun 3 Jean-Engelbert Pauwels, Flemish violinist, conductor, and compose, dies at 35
- Jun 16 Johann Adam Hiller, German composer, dies at 75
- Jun 25 Georges Cadoudal, Breton politician and royalist who plotted to overthrow Napoleon, executed at 33
Alexander Hamilton (1755-1804)
Jul 12 US Founding Father and 1st Secretary of the Treasury (1789-95), killed by Vice President Aaron Burr in pistol duel near Weehawken at 49
- Jul 17 Christian Ernst Graf, Dutch composer, dies at 80
- Jul 25 William Forsyth, English gardening expert (Forsythia), dies
- Aug 17 Barbara Heck, Irish born North American colonist, organized 1st Methodist church in US in NY, dies (b. 1734)
- Aug 20 Charles Floyd, only fatality of the Lewis and Clark Expedition
- Sep 4 Richard Somers, American naval officer, killed during assault on Tripoli during First Barbary Wars at 25
- Sep 29 Michael Hillegas, American merchant and first Treasurer of the United States (1775-89), dies at 75
- Oct 2 Nicolas-Joseph Cugnot, French inventor who designed & built 1st automobile, dies at 79
- Oct 29 George Morland, English artist of rural landscapes, dies at 41
- Nov 2 Armand-Gaston Camus, French revolutionary and Chairman of the Council of 500, dies at 64
- Nov 5 Betje Wolff [Elizabeth Wolff-Bekker], Dutch novelist and poet (Sara Burgerhart; Willem Levend), dies at 66
- Nov 14 Aagje Deken, Dutch novelist (Sara Burgerhart), dies at 62
- Nov 19 Pietro Alessandro Guglielmi, Italian opera composer, dies at 75
- Nov 23 Richard Graves, English writer (The Spiritual Quixote), dies at 89
- Dec 19 Mary Bright, British PM Rockingham, dies