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Births on August 11

1891Aug, 11

Edgar Zilsel

Edgar Zilsel, Austrian historian and philosopher of science, linked to the Vienna Circle (d. 1944)
Edgar Zilsel (August 11, 1891, Vienna, Austria-Hungary – March 11, 1944, Oakland, California) was an Austrian-American historian and philosopher of science.

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Events on 1891

  • 10Mar

    Strowger switch

    Almon Strowger, an undertaker in Topeka, Kansas, patents the Strowger switch, a device which led to the automation of telephone circuit switching.
  • 15May

    Rerum novarum

    Pope Leo XIII defends workers' rights and property rights in the encyclical Rerum novarum, the beginning of modern Catholic social teaching.
  • 20May

    Kinetoscope

    History of cinema: The first public display of Thomas Edison's prototype kinetoscope.