Template:Selected anniversaries/February 14: Difference between revisions

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||1899 – Voting machines are approved by the U.S. Congress for use in federal elections.
||1899 – Voting machines are approved by the U.S. Congress for use in federal elections.


||1904: Engineer and inventor [[Charles William Oatley (nonfiction)|Charles William Oatley]] born. He will develop of one of the first commercial scanning electron microscopes.
File:Sir Charles Oatley.jpg|link=Charles Oatley (nonfiction)|1904: Engineer and inventor [[Charles William Oatley (nonfiction)|Charles William Oatley]] born. He will develop of one of the first commercial scanning electron microscopes.


||1911 – Willem Johan Kolff, Dutch physician and inventor (d. 2009)
||1911 – Willem Johan Kolff, Dutch physician and inventor (d. 2009)

Revision as of 10:07, 11 February 2018

  • 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.

    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.

    1876: Alexander Graham Bell applies for a patent for the telephone, as does Elisha Gray.

  • 1904: Engineer and inventor Charles William Oatley born. He will develop of one of the first commercial scanning electron microscopes.

    1904: Engineer and inventor Charles William Oatley born. He will develop of one of the first commercial scanning electron microscopes.

  • 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.

    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.

  • 1944: Physicist and academic Owen Willans Richardson publishes new theory of thermionic emission with applications in the detection and prevention of crimes against physics.

    1944: Physicist and academic Owen Willans Richardson publishes new theory of thermionic emission with applications in the detection and prevention of crimes against physics.

  • 1949: ENIAC programmed to select optimal Valentine's Day gift.

    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.

    1950: Physicist and engineer Karl Guthe Jansky dies. He was one of the founding figures of radio astronomy.

  • 1951: Theoretical physicist and crime-fighter Richard Feynman uses principles of quantum electrodynamics to compose state-of-the-art Valentine's Day cards.

    1951: Theoretical physicist and crime-fighter Richard Feynman uses principles of quantum electrodynamics to compose state-of-the-art Valentine's Day cards.

  • 1990: The Voyager 1 spacecraft takes the photograph of planet Earth later become famous as Pale Blue Dot.

    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.

    2009: Record attendance for Valentine's Day performance by Rhizolith Group.

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