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Births on August 14

1866Aug, 14

Charles Jean de la Vallée-Poussin

Charles Jean de la Vallée-Poussin, Belgian mathematician and academic (d. 1962)
Charles-Jean Étienne Gustave Nicolas, baron de la Vallée Poussin (14 August 1866 – 2 March 1962) was a Belgian mathematician. He is best known for proving the prime number theorem.

The king of Belgium ennobled him with the title of baron.

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Events on 1866

  • 27Mar

    Civil Rights Act of 1866

    President Andrew Johnson vetoes the Civil Rights Act of 1866. His veto is overridden by Congress and the bill passes into law on April 9.
  • 2Jun

    Battle of Ridgeway

    The Fenians defeat Canadian forces at Ridgeway and Fort Erie, but the raids end soon after.
  • 20Jul

    Battle of Lissa (1866)

    Austro-Prussian War: Battle of Lissa: The Austrian Navy, led by Admiral Wilhelm von Tegetthoff, defeats the Italian Navy near the island of Vis in the Adriatic Sea.
  • 20Aug

    Andrew Johnson

    President Andrew Johnson formally declares the American Civil War over.
  • 19Oct

    Mantua

    Austria cedes Veneto and Mantua to France, which immediately awards them to Italy in exchange for the earlier Italian acquiescence to the French annexation of Savoy and Nice.