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April 30
in history

Spain commissions Christopher Columbus to explore the Atlantic (1492), and Organization of American States established in Bogotá (1948). Born on this day: Carl Friedrich Gauss, António Guterres and Stephen Harper. Died: Édouard Manet, Sergio Leone and Sigismund III Vasa.

27 events, 64 births and 71 deaths on this date.

Events

  1. 1948

    Organization of American States established in Bogotá

    The Organization of American States was set up in Bogotá as a forum for nations across North and South America to work together. The meeting in the Colombian capital marked the start of a body that still brings the region's governments together.

  2. 1838

    Nicaragua declares independence from the Central American Federation

    Nicaragua broke away from the Central American Federation, the union that had linked it with its neighbours since independence from Spain. The move was one of the steps that left the region split into separate states.

  3. 1943

    Royal Navy submarine begins Operation Mincemeat to mislead Germany about Sicily

    HMS Seraph set out on a plan to convince German intelligence that the Allies would invade Greece and Sardinia rather than Sicily. The deception relied on a corpse carrying fake documents, and it worked well enough to shape where German forces were placed.

  4. 1905

    Einstein completes his doctoral thesis in Zurich

    While still a patent clerk in Bern, Einstein submitted his doctoral dissertation to Zurich's university, and it was accepted. He later became one of the most famous physicists of the twentieth century, known for relativity.

  5. 1859

    Dickens launches literary magazine All the Year Round

    Dickens's new magazine opened with the opening instalment of A Tale of Two Cities, the novel that would become one of his most widely read. The serial format he had already perfected let readers follow the story in regular instalments.

    Jeremiah Gurney · Public domain
  6. 1883

    Niagara Falls State Park legislation signed in New York

    In the app
  7. 311

    Persecution of Christians ends in the eastern empire

    In the app
  8. 1897

    J.J. Thomson shows cathode rays are negatively charged particles

    In the app

21 more events on April 30

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Born on April 30

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  • António Guterres
    1949 · Politician

    António Guterres

    Portuguese Socialist who served as prime minister from 1995 to 2002 before becoming UN High Commissioner for Refugees. He has been UN Secretary-General since 2017, the first European in that post since Kurt Waldheim.

    U.S. Department of State from United States · Public domain
  • Stephen Harper
    1959 · Politician

    Stephen Harper

    Stephen Harper is a Canadian politician who led the country's government from 2006 to 2015. He co-founded the Conservative Party of Canada, and remains the one leader of that party to have reached the top job.

    World Economic Forum / Remy Steinegger · CC BY-SA 2.0

Died on April 30

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  • Édouard Manet
    1832 – 1883 · Painter

    Édouard Manet

    Manet was a French painter who turned everyday city life into subject matter for serious art. His scandalous works Olympia and Le Déjeuner sur l'herbe shocked critics, yet paved the way for Impressionism.

    Nadar / Adam Cuerden · Public domain
  • Sergio Leone
    1929 – 1989 · Film director

    Sergio Leone

    Sergio Leone was an Italian director who pioneered the spaghetti Western, shaping it with films like A Fistful of Dollars and The Good, the Bad and the Ugly. He was known for pairing extreme close-ups with sweeping long shots.

    Obbino · CC BY 2.0
  • Sigismund III Vasa
    1566 – 1632 · Patron of the arts

    Sigismund III Vasa

    Sigismund III Vasa was a Polish-Lithuanian king who also briefly ruled Sweden before being deposed. He pushed Catholicism across his realm and presided over Poland's largest territorial expansion, though his reign also marked the end of its Golden Age.

    Pieter Soutman · Public domain

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