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

  • 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.
    • February 1 » Shinhan Bank, the oldest bank in South Korea, opens in Seoul.
    • May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
    • June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
    • September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
    • September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
  • 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.
    • February 24 » Nancy Astor becomes the first woman to speak in the House of Commons of the United Kingdom following her election as a Member of Parliament (MP) three months earlier.
    • July 11 » In the East Prussian plebiscite the local populace decides to remain with Weimar Germany.
    • August 20 » The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
    • November 12 » Italy and the Kingdom of Serbs, Croats and Slovenes sign the Treaty of Rapallo.
    • November 15 » The Free City of Danzig is established.


Same birth/death day

Source: Wikipedia


About the surname Koster

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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-????)".