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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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.
    • January 8 » The steel strike of 1919 ends in failure for the Amalgamated Association of Iron, Steel and Tin Workers labor union.
    • April 15 » Two security guards are murdered during a robbery in South Braintree, Massachusetts. Anarchists Sacco and Vanzetti would be convicted of and executed for the crime, amid much controversy.
    • May 7 » Morecambe Football Club was founded during a meeting at the West View Hotel on the town's promenade.
    • May 7 » Treaty of Moscow: Soviet Russia recognizes the independence of the Democratic Republic of Georgia only to invade the country six months later.
    • August 16 » The congress of the Communist Party of Bukhara opens. The congress would call for armed revolution.
    • September 16 » The Wall Street bombing: A bomb in a horse wagon explodes in front of the J. P. Morgan building in New York City killing 38 and injuring 400.

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 October 4, 2026), "Willem Knoppersen (1897-1980)".