Family tree Witkamp » Pieter Koopmans (1919-)

Personal data Pieter Koopmans 

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Household of Pieter Koopmans

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Timeline Pieter Koopmans

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Ancestors (and descendant) of Pieter Koopmans

Jan Alberts Fokkens
1847-1936
Trijntje Jans Koopmans
1864-1928
Jan Koopmans
1893-1974

Pieter Koopmans
1919-


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    Relationship Pieter Koopmans



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    Historical events

    Birthday December 20, 1919

    • The temperature on December 20, 1919 was between 1.5 °C and 7.9 °C and averaged 5.0 °C. There was 2.1 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. 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 1919: Source: Wikipedia
      • The Netherlands had about 6.7 million citizens.
      • June 14 » John Alcock and Arthur Whitten Brown depart from St. John's, Newfoundland on the first nonstop transatlantic flight.
      • September 10 » Austria and the Allies sign the Treaty of Saint-Germain-en-Laye recognizing the independence of Poland, Hungary, Czechoslovakia and Yugoslavia.
      • October 2 » U.S. President Woodrow Wilson suffers a massive stroke, leaving him incapacitated for several weeks.
      • October 16 » Adolf Hitler delivers his first public address at a meeting of the German Workers' Party.
      • November 11 » Latvian forces defeat the West Russian Volunteer Army at Riga in the Latvian War of Independence.
      • December 23 » Sex Disqualification (Removal) Act 1919 becomes law in the United Kingdom.
    

    Same birth/death day

    Source: Wikipedia


    About the surname Koopmans

    • View the information that Genealogie Online has about the surname Koopmans.
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    The Family tree Witkamp publication was prepared by .contact the author
    When copying data from this family tree, please include a reference to the origin:
    Leo Witkamp, "Family tree Witkamp", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-witkamp/I1017.php : accessed February 15, 2026), "Pieter Koopmans (1919-)".