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Births on April 4

Édouard Lucas
1842Apr, 4

Édouard Lucas

Édouard Lucas, French mathematician and theorist (d. 1891)
François Édouard Anatole Lucas (French pronunciation: ​[fʁɑ̃swa edwaʁ anatɔl lykɑ]; 4 April 1842 – 3 October 1891) was a French mathematician. Lucas is known for his study of the Fibonacci sequence. The related Lucas sequences and Lucas numbers are named after him.

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Events on 1842

  • 13Jan

    1842 retreat from Kabul

    Dr. William Brydon, an assistant surgeon in the British East India Company Army during the First Anglo-Afghan War, becomes famous for being the sole survivor of an army of 4,500 men and 12,000 camp followers when he reaches the safety of a garrison in Jalalabad, Afghanistan.
  • 9Mar

    Rancho San Francisco

    The first documented discovery of gold in California occurs at Rancho San Francisco, six years before the California Gold Rush.
  • 30Mar

    Crawford Long

    Ether anesthesia is used for the first time, in an operation by the American surgeon Dr. Crawford Long.
  • 14Aug

    Seminole Wars

    American Indian Wars: Second Seminole War ends, with the Seminoles forced from Florida to Oklahoma.
  • 7Dec

    Ureli Corelli Hill

    First concert of the New York Philharmonic, founded by Ureli Corelli Hill.