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July 20
in history

Richard I invested as Duke of Normandy (1189), and United States and Cuba restore full diplomatic ties (2015). Born on this day: Edmund Hillary, Sir Edmund Hillary and Gregor Mendel. Died: Bruce Lee, Guglielmo Marconi and Bernhard Riemann.

28 events, 69 births and 49 deaths on this date.

1189

Richard I invested as Duke of Normandy

Richard, already King of England, was formally given the Duchy of Normandy, adding the French lands to his growing empire. Though he spent little of his reign in England, he is remembered as a warrior king nicknamed the Lionheart.

Matthew Paris · Public domain

Events

  1. 2015

    United States and Cuba restore full diplomatic ties

    After more than fifty years of frozen relations, Washington and Havana reopened embassies in each other's capitals. The move followed a rapprochement announced in late 2014 and marked a sharp shift in Cold War-era hostility.

  2. 1810

    Bogotá declares independence from Spain

    Residents of Bogotá, then part of New Granada, formally declared independence from Spanish rule. The act is widely seen as the start of the struggle that would end Spanish control over the region.

  3. 1871

    British Columbia joins the Canadian Confederation

    After years of debate over joining Canada, the Pacific colony agreed to enter Confederation, with a promise of a railway linking it to the eastern provinces. The deal turned a far-off gold-rush colony into Canada's westernmost province.

  4. 70

    Romans seize Antonia fortress in Jerusalem during siege

    Roman troops under Titus, whose father Vespasian was emperor, broke into the Antonia stronghold beside Jerusalem's Temple. Once inside the city, they were pulled into bloody street fighting with the Zealots, a Jewish militant group.

  5. 1398

    Battle of Kellistown fought between English and Irish forces

    Roger Mortimer, 4th Earl of March, led English troops against the O'Byrne and O'Toole clans, whose army was commanded by Art Óg mac Murchadha Caomhánach, then the strongest chief in Leinster. The summary here names the commanders but not the outcome.

  6. 1914

    George V reviews over 200 Royal Navy ships at Spithead

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  7. 514

    Hormisdas consecrated as pope after Symmachus's death

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  8. 1807

    Niépce's Pyréolophore engine powers a boat on the Saône

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22 more events on July 20

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Born on July 20

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  • Bruce Lee
    1940 – 1973 · Film director

    Bruce Lee

    Hong Kong and American martial artist and actor who founded Jeet Kune Do, a hybrid fighting philosophy. He became one of the first Chinese performers to win international stardom, and his five martial arts films helped popularise the genre in the 1970s.

    National General Pictures · Public domain
  • Guglielmo Marconi
    1874 – 1937 · Physicist

    Guglielmo Marconi

    Italian engineer whose wireless telegraph system turned radio waves into a practical way of sending messages over long distances. He shared the 1909 Nobel Prize in Physics with Ferdinand Braun and is often regarded as the father of radio.

    Pach Brothers · Public domain
  • Bernhard Riemann
    1826 – 1866 · Mathematician

    Bernhard Riemann

    Riemann was a German mathematician whose work on the Riemann integral, Riemann surfaces and the zeta-related hypothesis that bears his name still shapes modern mathematics. He died of tuberculosis at 39, in Italy, while travelling for his health.

    Public domain

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