Template:Selected anniversaries/July 1: Difference between revisions
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||1874: The Sholes and Glidden typewriter, the first commercially successful typewriter, goes on sale. | ||1874: The Sholes and Glidden typewriter, the first commercially successful typewriter, goes on sale. | ||
||1881: Henri Étienne Sainte-Claire Deville dies. | ||1881: Chemist Henri Étienne Sainte-Claire Deville dies. Pic. | ||
File:Rotary dial telephone.jpg|link=Telephone (nonfiction)|1881: The world's first international [[Telephone (nonfiction)|telephone]] call is made between St. Stephen, New Brunswick, Canada, and Calais, Maine, United States. | File:Rotary dial telephone.jpg|link=Telephone (nonfiction)|1881: The world's first international [[Telephone (nonfiction)|telephone]] call is made between St. Stephen, New Brunswick, Canada, and Calais, Maine, United States. | ||
Revision as of 19:39, 27 February 2019
1646: Mathematician and philosopher Gottfried Wilhelm Leibniz born. He will develop differential and integral calculus independently of Isaac Newton, and design and build mechanical calculators.
1819: Johann Georg Tralles discovers the Great Comet of 1819 (C/1819 N1). It was the first comet analyzed using polarimetry, by François Arago.
1881: The world's first international telephone call is made between St. Stephen, New Brunswick, Canada, and Calais, Maine, United States.
1888: Mathematician and physicist Johann Jakob Balmer develops a Gnomon algorithm function based on the visible spectral lines of the hydrogen atom which unexpectedly reveals imminent crimes against mathematical constants.
2001: Physicist and educator Nikolay Basov dies. He did fundamental work in the field of quantum electronics.
2016: Signed first edition of Spinning Thistle used in high-energy literature experiment unexpectedly develops artificial intelligence.
2019: The Custodian says he is "not planning on retiring any time soon."