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.
    • March 19 » The United States Senate rejects the Treaty of Versailles for the second time (the first time was on November 19, 1919).
    • April 28 » Azerbaijan is added to the Soviet Union.
    • May 2 » The first game of the Negro National League baseball is played in Indianapolis.
    • August 16 » The congress of the Communist Party of Bukhara opens. The congress would call for armed revolution.
    • November 16 » Qantas, Australia's national airline, is founded as Queensland and Northern Territory Aerial Services Limited.
    • November 28 » FIDAC (The Interallied Federation of War Veterans Organisations), the first international organization of war veterans is established in Paris, France

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 February 8, 2026), "Willem Knoppersen (1897-1980)".