Family tree Potman (Markelo) » Willem Koopman (1919-± 1998)

Personal data Willem Koopman 

Source 1

Household of Willem Koopman

He is married to Gerritjen Ziggers.

They got married

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Sources

  1. (Not public)

Historical events

Birthday March 9, 1919

  • The temperature on March 9, 1919 was between 4.3 °C and 8.9 °C and averaged 6.1 °C. There was -0.1 hours of sunshine (0%). 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.
    • January 7 » Montenegrin guerrilla fighters rebel against the planned annexation of Montenegro by Serbia, but fail.
    • July 23 » Prince Regent Aleksander Karađorđević signs the decree establishing the University of Ljubljana
    • August 11 » Germany's Weimar Constitution is signed into law.
    • October 9 » The Cincinnati Reds win the World Series, resulting in the Black Sox Scandal.
    • October 16 » Adolf Hitler delivers his first public address at a meeting of the German Workers' Party.
    • October 28 » The U.S. Congress passes the Volstead Act over President Wilson's veto, paving the way for Prohibition to begin the following January.


Same birth/death day

Source: Wikipedia


About the surname Koopman

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The Family tree Potman (Markelo) publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Gerrit Potman, "Family tree Potman (Markelo)", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-potman/I6535.php : accessed March 3, 2026), "Willem Koopman (1919-± 1998)".