Family tree Posthuma » Willem Knoppersen (1897-1980)

Personal data Willem Knoppersen 


Household of Willem Knoppersen

He is married to Catharina Maria Kegels.

They got married on April 28, 1920 at Amsterdam, Nederland, he was 23 years old.


Child(ren):


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Timeline Willem Knoppersen

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Image(s) Willem Knoppersen

Ancestors (and descendant) of Willem Knoppersen


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Historical events

Day of marriage April 28, 1920

  • The temperature on April 28, 1920 was between 2.8 °C and 11.1 °C and averaged 6.8 °C. There was 4.1 mm of rain. There was 8.8 hours of sunshine (60%). The average windspeed was 4 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.
    • May 16 » In Rome, Pope Benedict XV canonizes Joan of Arc.
    • June 15 » Following the 1920 Schleswig plebiscites, Northern Schleswig is transferred from Germany to Denmark.
    • July 11 » In the East Prussian plebiscite the local populace decides to remain with Weimar Germany.
    • August 15 » Polish–Soviet War: Battle of Warsaw, so-called Miracle at the Vistula.
    • November 15 » First assembly of the League of Nations is held in Geneva, Switzerland.
    • December 24 » Gabriele D'Annunzio surrendered the Italian Regency of Carnaro in the city of Fiume to Italian armed forces.

About the surname Knoppersen


The Family tree Posthuma publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Ferry Posthuma Scholtes, "Family tree Posthuma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-posthuma/R203.php : accessed December 25, 2025), "Willem Knoppersen (1897-1980)".