List of years in science (Table)
… 1773 • 1774 • 1775 • 1776 • 1777 • 1778 • 1779 •    1780 • 1781 • 1782 – 1783 – 1784 • 1785 • 1786 •    1787 • 1788 • 1789 • 1790 • 1791 • 1792 • 1793 …
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… 1780 • 1781 • 1782 – 1783 – 1784 • 1785 • 1786 … … 1750s • 1760s • 1770s – 1780s – 1790s • 1800s • 1810s … … 17th century – 18th century – 19th century …
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The year 1783 in science and technology involved some significant events.

Aviation

• June 5 - The Montgolfier brothers send up at Annonay, near Lyon, an 900 m linen bag inflated with hot air. Its flight covered 2 km and lasted 10 minutes, to an estimated altitude of 1600 - 2000 m
• November 21 - the first free flight by humans in a balloon is made by Pilâtre de Rozier and Marquis d'Arlandes who flew aloft for 25 minutes about 100 metres above Paris for a distance of nine kilometres

Chemistry

• Discovery of tungsten - José and Fausto Elhuyar find an acid in wolframite which they reduce with charcoal to isolate tungsten

Awards

• Copley Medal: John Goodricke; Thomas Hutchins

Births

Deaths

• September - Leonhard Euler, Swiss mathematician and physicist (born 1707).
• October 29 - Jean le Rond d'Alembert, mathematician and physicist (born 1717).