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 16 » Zeta Phi Beta Sorority Incorporated was founded on the campus of Howard University.
      • February 2 » The Tartu Peace Treaty is signed between Estonia and Russia.
      • February 10 » Józef Haller de Hallenburg performs symbolic wedding of Poland to the sea, celebrating restitution of Polish access to open sea.
      • February 20 » An earthquake kills between 114 and 130 in Georgia and heavily damages the town of Gori.
      • July 20 » The Greek Army takes control of Silivri after Greece is awarded the city by the Paris Peace Conference; by 1923 Greece effectively lost control to the Turks.
      • November 15 » The Free City of Danzig is established.

    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.
      • January 10 » Salvadoran Civil War: The FMLN launches its first major offensive, gaining control of most of Morazán and Chalatenango departments
      • April 12 » The first launch of a Space Shuttle (Columbia) takes place: The STS-1 mission.
      • June 24 » The Humber Bridge opens to traffic, connecting Yorkshire and Lincolnshire. It remained the world's longest bridge span for 17years.
      • September 21 » Sandra Day O'Connor is unanimously approved by the U.S. Senate as the first female Supreme Court justice.
      • September 25 » Belize joins the United Nations.
      • October 22 » The United States Federal Labor Relations Authority votes to decertify the Professional Air Traffic Controllers Organization (PATCO) for its strike the previous August.
    

    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)".