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Births on June 1

1930Jun, 1

John Lemmon

John Lemmon, English logician and philosopher (d. 1966)
Edward John Lemmon (1 June 1930 – 29 July 1966) was a British logician and philosopher born in Sheffield, England. He is most well known for his work on modal logic, particularly his joint text with Dana Scott published posthumously (Lemmon and Scott, 1977).

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Events on 1930

  • 12Mar

    Salt March

    Mahatma Gandhi begins the Salt March, a 200-mile march to the sea to protest the British monopoly on salt in India
  • 6Apr

    Salt Satyagraha

    Gandhi raises a lump of mud and salt and declares, "With this, I am shaking the foundations of the British Empire," beginning the Salt Satyagraha.
  • 7Jul

    Hoover Dam

    Industrialist Henry J. Kaiser begins construction of Boulder Dam (now known as Hoover Dam).
  • 6Sep

    Hipólito Yrigoyen

    Democratically elected Argentine president Hipólito Yrigoyen is deposed in a military coup.
  • 24Oct

    Getúlio Vargas

    A bloodless coup d'état in Brazil ousts Washington Luís Pereira de Sousa, the last President of the First Republic. Getúlio Vargas is then installed as "provisional president".