Database Van Broekhoven » Johanna Koopman (1915-)

Personal data Johanna Koopman 


Household of Johanna Koopman

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Timeline Johanna Koopman

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Ancestors (and descendant) of Johanna Koopman

Dirk Janssen
1869-1958
Dirk Koopman
1884-????

Johanna Koopman
1915-


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Historical events

  • The temperature on October 9, 1915 was between 6.5 °C and 13.7 °C and averaged 10.2 °C. There was 0.2 mm of rain. There was 0.2 hours of sunshine (2%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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 year 1915: Source: Wikipedia
    • The Netherlands had about 6.3 million citizens.
    • February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
    • April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
    • May 23 » World War I: Italy joins the Allies, fulfilling its part of the Treaty of London.
    • July 7 » The First Battle of the Isonzo comes to an end.
    • August 17 » A Category 4 hurricane hits Galveston, Texas with winds at 135 miles per hour (217km/h).
    • October 14 » World War I: Bulgaria joins the Central Powers.


Same birth/death day

Source: Wikipedia


About the surname Koopman

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When copying data from this family tree, please include a reference to the origin:
J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I72298.php : accessed February 2, 2026), "Johanna Koopman (1915-)".