1756

Events in 1756 3

• 1743 – 1756 Black — carbon dioxide and latent heat First identification of a distinct gas and hidden heat Joseph Black of Edinburgh discovered carbon dioxide (which he called "fixed air") in the 1750s, demonstrating that it was a chemically distinct gas absorbed and released during certain reactions. He also discovered latent heat — the heat absorbed or released during changes of state without temperature change — which was fundamental to understanding the steam engine and thermodynamics.
• 1756 – 1843 John Trumbull (1756-1843) Died 10 November 1843, aged 87 John Trumbull was an American painter of the Revolutionary War era. His painting Declaration of Independence hangs in the Rotunda of the United States Capitol.
• 1756 – 1791 Wolfgang Amadeus Mozart Classical genius Austrian composer who showed prodigious talent from age 3. His 41 symphonies, 27 piano concertos, and operas Don Giovanni and The Magic Flute remain cornerstones of the repertoire.