Family tree Eilander » Gerrit Jan Koopman (1890-????)

Personal data Gerrit Jan Koopman 


Household of Gerrit Jan Koopman

He is married to Willemina Hendrika Gerrits.

They got married on June 12, 1919 at Zwolle, he was 29 years old.Source 1

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Timeline Gerrit Jan Koopman

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Ancestors (and descendant) of Gerrit Jan Koopman

Jacob Koopman
1821-1901
Tonia Bekenkamp
1817-1876

Gerrit Jan Koopman
1890-????

1919

Willemina Hendrika Gerrits
1895-????


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Sources

  1. Aktenummer: 125

Historical events

Day of marriage June 12, 1919

  • The temperature on June 12, 1919 was between 10.6 °C and 31.3 °C and averaged 18.6 °C. There was 9.8 hours of sunshine (59%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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 1919: Source: Wikipedia
    • The Netherlands had about 6.7 million citizens.
    • January 16 » Nebraska becomes the 36th state to approve the Eighteenth Amendment to the United States Constitution. With the necessary three-quarters of the states approving the amendment, Prohibition is constitutionally mandated in the United States one year later.
    • January 18 » World War I: The Paris Peace Conference opens in Versailles, France.
    • May 15 » The Winnipeg general strike begins. By 11:00, almost the whole working population of Winnipeg had walked off the job.
    • May 16 » A naval Curtiss NC-4 aircraft commanded by Albert Cushing Read leaves Trepassey, Newfoundland, for Lisbon via the Azores on the first transatlantic flight.
    • August 8 » The Anglo-Afghan Treaty of 1919 is signed. It establishes peaceful relations between Afghanistan and the UK, and confirms the Durand line as the mutual border. In return, the UK is no longer obligated to subsidize the Afghan government.
    • October 2 » U.S. President Woodrow Wilson suffers a massive stroke, leaving him incapacitated for several weeks.

About the surname Koopman

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The Family tree Eilander publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
P. Heres, "Family tree Eilander", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eilander/I1099532386.php : accessed February 1, 2026), "Gerrit Jan Koopman (1890-????)".