Family tree Jacobs » Maria Catharina Koolman (1895-????)

Personal data Maria Catharina Koolman 


Household of Maria Catharina Koolman

She is married to Pieter van Duuren.

They got married on October 31, 1918 at Zaandam, she was 23 years old.

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Timeline Maria Catharina Koolman

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Ancestors (and descendant) of Maria Catharina Koolman

Frederik Koolman
Helena Valk
Jacob Hen
1822-1891
Elisabeth Klopper
1829-1909
Maartje Hen
1863-1941

Maria Catharina Koolman
1895-????

1918

Pieter van Duuren
1892-????


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Historical events

Day of marriage October 31, 1918

  • The temperature on October 31, 1918 was between 1.3 °C and 11.1 °C and averaged 7.2 °C. There was 2.2 mm of rain. There was 3.4 hours of sunshine (35%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. 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 August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
  • 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 1918: Source: Wikipedia
    • The Netherlands had about 6.6 million citizens.
    • March 21 » World War I: The first phase of the German Spring Offensive, Operation Michael, begins.
    • March 25 » The Belarusian People's Republic is established.
    • July 26 » Emmy Noether's paper, which became known as Noether's theorem was presented at Göttingen, Germany, from which conservation laws are deduced for symmetries of angular momentum, linear momentum, and energy.
    • August 16 » The Battle of Lake Baikal was fought between the Czechoslovak Legion and the Red Army.
    • October 28 » First World War: A new Polish government in western Galicia is established, triggering the Polish–Ukrainian War.
    • November 12 » Austria becomes a republic. After the proclamation, a coup attempt by the communist Red Guard is defeated by the social-democratic Volkswehr.

About the surname Koolman

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The Family tree Jacobs publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I77366.php : accessed January 21, 2026), "Maria Catharina Koolman (1895-????)".