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Births on January 25

Ernst Alexanderson
1878Jan, 25

Ernst Alexanderson

Ernst Alexanderson, Swedish-American engineer (d. 1975)
Ernst Frederick Werner Alexanderson (January 25, 1878 – May 14, 1975) was a Swedish-American electrical engineer, who was a pioneer in radio and television development. He invented the Alexanderson alternator, an early radio transmitter used between 1906 and the 1930s for longwave long distance radio transmission. Alexanderson also created the amplidyne, a direct current amplifier used during the Second World War for controlling anti-aircraft guns.

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Events on 1878

  • 18Feb

    Lincoln County War

    John Tunstall is murdered by outlaw Jesse Evans, sparking the Lincoln County War in Lincoln County, New Mexico.
  • 3Mar

    Treaty of San Stefano

    The Russo-Turkish War ends with Bulgaria regaining its independence from the Ottoman Empire according to the Treaty of San Stefano; a few months afterwards the Congress of Berlin stripped its status to a vassal principality of the Ottoman Empire.
  • 25May

    Comic opera

    Gilbert and Sullivan's comic opera H.M.S. Pinafore opens at the Opera Comique in London.
  • 15Jun

    Sallie Gardner at a Gallop

    Eadweard Muybridge takes a series of photographs to prove that all four feet of a horse leave the ground when it runs; the study becomes the basis of motion pictures.
  • 22Oct

    Salford, Greater Manchester

    The first rugby match under floodlights takes place in Salford, between Broughton and Swinton.