1784 was a leap year starting on Thursday (see link for calendar).
Events
January
February
March
April
May
June
July
August
September
October
November
December
Births
- January 17 - Philippe Antoine d’Ornano, Marshal of France (d. 1863)
- January 28 - George Hamilton Gordon, 4th Earl of Aberdeen, Prime Minister of the United Kingdom (d. 1860)
- March 13 - Jean Moufot, French philosopher and mathematician (d. 1842)
- April 5 - Louis Spohr, German violinist and composer (d. 1859)
- April 13 - Friedrich Graf von Wrangel, Prussian field marshal (d. 1877)
- July 22 - Friedrich Bessel, German mathematician and astronomer (d. 1846)
- July 27 - Denis Davydov, Russian general and poet (d. 1839)
- October 13 - King Ferdinand VII of Spain (d. 1833)
- October 19 - John McLoughlin, Canadian fur trader (d. 1857)
- October - Sarah Biffen, English painter (d. 1850)
- November 24 - Zachary Taylor, 12th President of the United States (d. 1850)
Deaths
- April 26 - Nano Nagle, Irish convent founder (b. 1718)
- May 12 - Abraham Trembley, Swiss naturalist (b. 1710)
- June 13 - Henry Middleton, American president of the Continental Congress (b. 1717)
- June 26 - Caesar Rodney, American lawyer and signer of the Declaration of Independence (d. 1728)
- July 1 - Wilhelm Friedemann Bach, German composer (b. 1710)
- July 31 - Denis Diderot, French philosopher and encyclopedist (b. 1713)
- August 4 - Giovanni Battista Martini, Italian musician (b. 1706)
- August 10 - Allan Ramsay, Scottish painter (b. 1713)
- August 14 - Nathaniel Hone, Irish-born painter (b. 1718)
- August 28 - Junípero Serra, Spanish Franciscan missionary (b. 1713)
- September 4 - César-François Cassini de Thury, French astronomer (b. 1714)
- September 8 - Ann Lee, American religious leader (b. 1736)
- December 4 - Wiseman Claget, English classical scholar (b. 1721)
- December 13 - Samuel Johnson, English writer and lexicographer (b. 1709)
- December 25 - Yosa Buson, Japanese poet and painter (b. 1716)
- December 26 - Seth Warner, American revolutionary leader (b. 1743)
- Le Quy Don, Vietnamese philosopher, poet, encyclopedist, and government official (b. 1726)
1784
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