1773 in France

Events from the year 1773 in France.

Decades:

Incumbents

24 February â Decision of the council reorganizing recovery of the poll tax on the bourgeoisie of Paris. Rents are recorded by Intendant Bertier de Sauvigny and the tax is calculated proportionally; the tax yield increases from 850,000 livres to 1,400,000 livres.^[2]
7 April or 24 May â Freemasonry in France: The 200 masonic lodges are reorganized within the Grand Orient de France in a vast relational system hierarchized by affiliation.^[3]
9 May â Hunger riots in Bordeaux.^[4]
13 October â Astronomer Charles Messier discovers the Whirlpool Galaxy, an interacting, grand design spiral galaxy located at a distance of approximately 31 million light-years, in the constellation Canes Venatici.
Lagrange presents his work on the secular equation of the Moon to the AcadÃ©mie FranÃ§aise, introducing the idea of the potential of a body. He also publishes on the attraction of ellipsoids and other mathematical matters.
Hilaire Rouelle discovers urea.
Louis-Bernard Guyton de Morveau proposes the use of "muriatic acid gas" (hydrogen chloride) for fumigation of buildings.
Antoine BaumÃ© publishes his textbook Chymie expÃ©rimentale et raisonnÃ©e in Paris.

6 April â Nicolas Viton de Saint-Allais, genealogist (died 1842)
2 September â Louis-Auguste-Victor, Count de Ghaisnes de Bourmont, Marshal of France (died 1846)^[5]
6 September â FranÃ§ois Fournier-SarlovÃ¨ze, military officer (died 1827)
14 September â Charles Lefebvre-Desnouettes, military officer (died 1822 at sea)
6 October â Louis Philippe I "Citizen King" of the French (died 1850)^[6]
12 December â Robert Surcouf, privateer, businessman and slave-trader (died 1827)