Template:Selected anniversaries/February 14

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  • 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.

  • 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.

  • 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 detect and prevent crimes against mathematical constants.

    1951: Theoretical physicist and crime-fighter Richard Feynman uses principles of quantum electrodynamics to detect and prevent crimes against mathematical constants.

  • 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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