Template:Selected anniversaries/July 2

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  1698: Thomas Savery patents the first steam engine. Savery's patent will force Thomas Newcomen into partnership with him.

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  1699: Omar Khayyam publishes new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.

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  1778: Philosopher and author Jean-Jacques Rousseau dies. His political philosophy influenced the Enlightenment in France and across Europe.

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  1850: Stokes' theorem appeared for the first time as a postscript to a letter from Sir William Thomson (Lord Kelvin) to Stokes. By the time Stokes died, the theorem was universally known as "Stokes' theorem."

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  1897: British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.

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  1937: Pilot and author Amelia Earhart disappears. She set many records, wrote best-selling books about her flying experiences, and was instrumental in the formation of The Ninety-Nines, an organization for female pilots.

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  2017: Math photographer Cantor Parabola takes series of pictures through the Enlightenment in France, in honor of Jean-Jacques Rousseau.

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  2016: Signed first edition of Blue Flower used in high-energy literature experiment unexpectedly develops Artificial intelligence (nonfiction).