Template:Selected anniversaries/September 4

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  • 1882: Thomas Edison flips the switch to the first commercial electrical power plant in history, lighting one square mile of lower Manhattan. This is considered by many as the day that began the electrical age.

    1882: Thomas Edison flips the switch to the first commercial electrical power plant in history, lighting one square mile of lower Manhattan. This is considered by many as the day that began the electrical age.

  • 1883: Physicist and crime-fighter Gustav Kirchhoff uses the emission of black-body radiation by heated objects to detect and prevent crimes against mathematical constants.

    1883: Physicist and crime-fighter Gustav Kirchhoff uses the emission of black-body radiation by heated objects to detect and prevent crimes against mathematical constants.

  • 1888: George Eastman registers the trademark Kodak and receives a patent for his camera that uses roll film.

    1888: George Eastman registers the trademark Kodak and receives a patent for his camera that uses roll film.

  • 2017: Signed first edition of The Safe-Cracker sells for ten million dollars.

    2017: Signed first edition of The Safe-Cracker sells for ten million dollars.

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