7th January » Frenchman Jean-Pierre Blanchard and American John Jeffries travel from Dover called Dover, England, to Calais e.g Calais, France, in a gas balloon.
20th January » Invading Siamese forces attempt to exploit the political chaos in Vietnam, but are ambushed and annihilated at the Mekong River by the Tay Son in the Battle of Rạch Gầm-Xoài Mút.
27th January » The University of Georgia is founded, the first public university in the United States.
1st May » Kamehameha I, the king of Hawaii (island) e.g Hawaiokinai, defeats Kalanikūpule and establishes the Kingdom of Hawaiokinai.
15th June » Pilâtre de Rozier named Jean-François Pilâtre de Rozier, co-pilot of the first-ever manned flight (1783), and his companion, Pierre Romain, become the first-ever Casualty (person) named casualties of an air crash when their hot air balloon explodes during
6th July » The United States dollar called dollar is unanimously chosen as the monetary unit for the United States.
4th January » Jacob Grimm, German author and philologist (d. 1863)
6th January » Andreas Mustoxydis, Greek historian and philologist (d. 1860)
10th February » Claude-Louis Navier, French physicist (d. 1836)
12th February » Pierre Louis Dulong, French physicist (d. 1838)
6th March » Karol Kurpiński, Polish composer and conductor (d. 1857)
7th March » Alessandro Manzoni, Italian author and poet (d. 1873)
11th March » John McLean, American jurist and politician, 6th United States Postmaster General (d. 1861)
27th March » Filippo Giudice Caracciolo, Italian cardinal (d. 1844)
27th March » Louis XVII of France (d. 1795)
4th April » Bettina von Arnim, German author (d. 1859)
19th April » Alexandre Pierre François Boëly, French pianist and composer (d. 1858)
26th April » John James Audubon, French-American ornithologist and painter (d. 1851)
18th May » John Wilson (Scottish writer) called John Wilson, Scottish author and critic (d. 1854)
6th July » William Hooker (botanist) e.g William Hooker, English botanist and academic (d. 1865)
14th July » Mordecai Manuel Noah, American journalist and diplomat (d. 1851)
15th August » Thomas De Quincey, English journalist and author (d. 1859)
23rd August » Oliver Hazard Perry, American commander (d. 1819)
15th October » José Miguel Carrera, Chilean general and politician (d. 1821)
18th October » Thomas Love Peacock, English author and poet (d. 1866)
20th October » George Ormerod, English historian and author (d. 1873)
18th November » David Wilkie (artist) or David Wilkie, Scottish painter and academic (d. 1841)
23rd November » Jan Roothaan, Dutch priest, 21st Superior-General of the Society of Jesus (d. 1853)
28th November » Victor de Broglie (1785–1870) or Victor de Broglie, French politician, 9th Prime Minister of France (d. 1870)
26th December » Étienne Constantin de Gerlache, Belgian lawyer and politician, 1st Prime Minister of Belgium (d. 1871)
Famous Deaths in History for 1785
3rd January » Baldassare Galuppi, Italian composer (b. 1706)
19th January » Jonathan Toup, English scholar and critic (b. 1713)
23rd January » Matthew Stewart (mathematician) or Matthew Stewart, Scottish mathematician (b. 1717)
14th April » William Whitehead (English poet) e.g William Whitehead, English poet and playwright (b. 1715)
8th May » Étienne François, duc de Choiseul, French general and politician, Prime Minister of France (b. 1719)
8th May » Pietro Longhi, Venetian painter (b. 1701)
2nd June » Jean Paul de Gua de Malves, French mathematician (b. 1713)
30th June » James Oglethorpe, English general and politician, 1st List of colonial governors of Georgia known as Colonial Governor of Georgia (b. 1696)
17th August » Jonathan Trumbull, American politician, 16th Governor of Connecticut (b. 1710)
20th August » Jean-Baptiste Pigalle, French sculptor (b. 1714)
26th August » George Germain, 1st Viscount Sackville, English soldier and politician, 3rd Secretary of State for the Colonies (b. 1716)
4th October » David Brearley, American judge and politician (b. 1703)
18th November » Louis Philippe I, Duke of Orléans (b. 1725)
25th November » Richard Glover (poet) called Richard Glover, English poet and politician (b. 1712)
28th November » William Whipple, American general and politician (b. 1730)
28th December » Peter Ernst Wilde, Polish-Estonian physician and journalist (b. 1732)
29th December » Johan Herman Wessel, Norwegian-Danish poet and playwright (b. 1742)