Template:Selected anniversaries/June 20: Difference between revisions

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||1819: The U.S. vessel SS Savannah arrives at Liverpool, United Kingdom. It is the first steam-propelled vessel to cross the Atlantic, although most of the journey is made under sail.
||1819: The U.S. vessel SS Savannah arrives at Liverpool, United Kingdom. It is the first steam-propelled vessel to cross the Atlantic, although most of the journey is made under sail.


||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: Theodore 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)|1840: [[Samuel Morse (nonfiction)|Samuel Morse]] receives the patent for the [[Electrical telegraph (nonfiction)|telegraph]].
File:Telegraph.jpg|link=Electrical telegraph (nonfiction)|1840: [[Samuel Morse (nonfiction)|Samuel Morse]] receives the patent for the [[Electrical telegraph (nonfiction)|telegraph]].

Revision as of 11:43, 15 November 2018