Olson's Tree » Mary Campbell Williamson (1920-1981)

Personal data Mary Campbell Williamson 

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Household of Mary Campbell Williamson

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Timeline Mary Campbell Williamson

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Ancestors (and descendant) of Mary Campbell Williamson

William Henry Major Williamson
1828-1887
Martha Williamson Ready
1840-1888

Mary Campbell Williamson
1920-1981


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    Historical events

    Birthday June 21, 1920

    • The temperature on June 21, 1920 was between 10.2 °C and 20.4 °C and averaged 15.6 °C. There was 10.3 mm of rain. There was 7.2 hours of sunshine (43%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
    • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
    • In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
    • In the year 1920: Source: Wikipedia
      • The Netherlands had about 6.8 million citizens.
      • January 13 » The Reichstag Bloodbath of January 13, 1920, the bloodiest demonstration in German history.
      • January 28 » Foundation of the Spanish Legion.
      • February 24 » Nancy Astor becomes the first woman to speak in the House of Commons of the United Kingdom following her election as a Member of Parliament (MP) three months earlier.
      • March 12 » The Kapp Putsch begins when the Marinebrigade Ehrhardt is ordered to march on Berlin.
      • March 28 » Palm Sunday tornado outbreak of 1920 affects the Great Lakes region and Deep South states.
      • August 31 » Polish–Soviet War: A decisive Polish victory in the Battle of Komarów.

    Day of death September 12, 1981

    • The temperature on September 12, 1981 was between 11.3 °C and 21.1 °C and averaged 15.5 °C. There was 4.9 mm of rain during 1.3 hours. There was 3.9 hours of sunshine (30%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
    • Koningin Beatrix (Huis van Oranje-Nassau) was from April 30, 1980 till April 30, 2013 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
    • In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
    • In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
    • In the year 1981: Source: Wikipedia
      • The Netherlands had about 14.2 million citizens.
      • March 30 » U.S. President Ronald Reagan is shot in the chest outside a Washington, D.C., hotel by John Hinckley, Jr.; three others are wounded in the same incident.
      • April 4 » Iran–Iraq War: The Islamic Republic of Iran Air Force mounts an attack on H-3 Airbase and destroys about 50 Iraqi aircraft.
      • April 25 » More than 100 workers are exposed to radiation during repairs of at the Tsuruga Nuclear Power Plant in Japan.
      • July 19 » In a private meeting with U.S. President Ronald Reagan, French President François Mitterrand reveals the existence of the Farewell Dossier, a collection of documents showing the Soviet Union had been stealing American technological research and development.
      • September 1 » A coup d'état in the Central African Republic overthrows President David Dacko.
      • November 30 » Cold War: In Geneva, representatives from the United States and the Soviet Union begin to negotiate intermediate-range nuclear weapon reductions in Europe. (The meetings end inconclusively on December 17.)
    

    Same birth/death day

    Source: Wikipedia

    Source: Wikipedia


    About the surname Williamson


    The Olson's Tree publication was prepared by .contact the author
    When copying data from this family tree, please include a reference to the origin:
    Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P4587.php : accessed January 1, 2026), "Mary Campbell Williamson (1920-1981)".