Template:Selected anniversaries/June 20: Difference between revisions
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||1838: Karl Reye born ... mathematician. He contributed to geometry, particularly projective geometry and synthetic geometry, introducing the concept of configurations. The Reye configuration of 12 points, 12 planes, and 16 lines is named after him. Pic. | ||1838: Karl Reye born ... mathematician. He contributed to geometry, particularly projective geometry and synthetic geometry, introducing the concept of configurations. The Reye configuration of 12 points, 12 planes, and 16 lines is named after him. Pic. | ||
File:Telegraph.jpg|link=Electrical telegraph (nonfiction)| | File:Telegraph.jpg|link=Electrical telegraph (nonfiction)|1840: [[Samuel Morse (nonfiction)|Samuel Morse]] receives the patent for the [[Electrical telegraph (nonfiction)|telegraph]]. | ||
||1861 – Frederick Gowland Hopkins, English biochemist and academic, Nobel Prize laureate (d. 1947) | ||1861 – Frederick Gowland Hopkins, English biochemist and academic, Nobel Prize laureate (d. 1947) | ||
Revision as of 21:35, 13 September 2018
1840: Samuel Morse receives the patent for the telegraph.
1875: Inventor and engineer Wilhelm Bauer dies. He designed and invented submarines.
1876: Adventurer and alleged "Pirate of the Prairie" Wallace War-Heels says that he has "offered no man violence", but admits that he has "responded to violence with greater violence, many times."
1877: Alexander Graham Bell installs the world's first commercial telephone service in Hamilton, Ontario, Canada.
2010: Unlicensed Extract of Radium factory accidentally releases self-sustaining colony of transdimensional corporations.
2017: Steganographic analysis of Ursa Nano unexpectedly reveals "four hundred, maybe five hundred kilobytes" of previously unknown Gnomon algorithm functions.