Template:Selected anniversaries/February 14: Difference between revisions
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||1894 – Eugène Charles Catalan, Belgian-French mathematician and academic (b. 1814) | ||1894 – Eugène Charles Catalan, Belgian-French mathematician and academic (b. 1814) | ||
||Edward Arthur Milne FRS (b. 14 February 1896) was a British astrophysicist and mathematician. | |||
||1898 – Fritz Zwicky, Swiss-American physicist and astronomer (d. 1974) | ||1898 – Fritz Zwicky, Swiss-American physicist and astronomer (d. 1974) |
Revision as of 10:45, 29 October 2017
1855: Texas is linked by telegraph to the rest of the United States, with the completion of a connection between New Orleans and Marshall, Texas.
1876: Alexander Graham Bell applies for a patent for the telephone, as does Elisha Gray.
1943: Mathematician David Hilbert dies. He discovered and developed a broad range of fundamental ideas in many areas, including invariant theory and the axiomatization of geometry.
1949: ENIAC programmed to select optimal Valentine's Day gift.
1950: Physicist and engineer Karl Guthe Jansky dies. He was one of the founding figures of radio astronomy.
1990: The Voyager 1 spacecraft takes the photograph of planet Earth later become famous as Pale Blue Dot.
2009: Record attendance for Valentine's Day performance by Rhizolith Group.