Family tree Brouwer - Koster » Willem Koster (1897-????)

Personal data Willem Koster 


Household of Willem Koster

He is married to Wilhelmina Carolina den Haan.

They got married on June 23, 1920 at Rotterdam, Zuid-Holland, Nederland, he was 22 years old.

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Timeline Willem Koster

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Ancestors (and descendant) of Willem Koster


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Historical events

Birthday August 31, 1897

  • The temperature on August 31, 1897 was about 15.3 °C. The airpressure was 75 cm mercury. The atmospheric humidity was 85%. Source: KNMI
  • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • Regentes Emma (Huis van Oranje-Nassau) was from 1890 till 1898 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from May 9, 1894 to July 27, 1897 the cabinet Roëll, with Jonkheer mr. J. Roëll (oud-liberaal) as prime minister.
  • In The Netherlands , there was from July 27, 1897 to August 1, 1901 the cabinet Pierson, with Mr. N.G. Pierson (unie-liberaal) as prime minister.
  • In the year 1897: Source: Wikipedia
    • The Netherlands had about 5.1 million citizens.
    • January 31 » Czechoslav Trade Union Association is founded in Prague.
    • June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
    • August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
    • August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
    • September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
    • December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.

Day of marriage June 23, 1920

  • The temperature on June 23, 1920 was between 9.2 °C and 20.6 °C and averaged 14.7 °C. There was 4.2 hours of sunshine (25%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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 2 » The second Palmer Raid, ordered by the US Department of Justice, results in 6,000 suspected communists and anarchists being arrested and held without trial.
    • May 5 » Authorities arrest Nicola Sacco and Bartolomeo Vanzetti for alleged robbery and murder.
    • August 13 » Polish–Soviet War: The Battle of Warsaw begins and will last till August 25. The Red Army is defeated.
    • August 19 » The Tambov Rebellion breaks out, in response to the Bolshevik policy of Prodrazvyorstka.
    • August 20 » The National Football League is organized as the American Professional Football Conference in Canton, Ohio
    • December 19 » King Constantine I is restored as King of the Hellenes after the death of his son Alexander of Greece and a plebiscite.


Same birth/death day

Source: Wikipedia


About the surname Koster

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The Family tree Brouwer - Koster publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Eric Brouwer, "Family tree Brouwer - Koster", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eric-brouwer/I59635.php : accessed March 4, 2026), "Willem Koster (1897-????)".