Family tree Seekles, vd Burgt, vd Ende, Janssen en Kwartiestaat van Petra van de Burgt » Wilhelmina Margareta Janssen (1915-< 2010)

Personal data Wilhelmina Margareta Janssen 


Household of Wilhelmina Margareta Janssen

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Timeline Wilhelmina Margareta Janssen

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Ancestors (and descendant) of Wilhelmina Margareta Janssen


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    Historical events

    • The temperature on May 10, 1915 was between 5.9 °C and 18.2 °C and averaged 12.3 °C. There was 13.8 hours of sunshine (90%). The average windspeed was 4 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.
      • January 19 » German strategic bombing during World War I: German zeppelins bomb the towns of Great Yarmouth and King's Lynn in the United Kingdom killing at least 20 people, in the first major aerial bombardment of a civilian target.
      • January 26 » The Rocky Mountain National Park is established by an act of the U.S. Congress.
      • May 7 » World War I: German submarine U-20 sinks RMS Lusitania, killing 1,198 people, including 128 Americans. Public reaction to the sinking turns many former pro-Germans in the United States against the German Empire.
      • August 15 » A story in New York World newspaper reveals that the Imperial German government had purchased excess phenol from Thomas Edison that could be used to make explosives for the war effort and diverted it to Bayer for aspirin production.
      • September 25 » World War I: The Second Battle of Champagne begins.
      • December 20 » World War I: The last Australian troops are evacuated from Gallipoli.
    

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    About the surname Janssen

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    When copying data from this family tree, please include a reference to the origin:
    P.J. van de Burgt, "Family tree Seekles, vd Burgt, vd Ende, Janssen en Kwartiestaat van Petra van de Burgt", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-seekles/I8167.php : accessed March 15, 2026), "Wilhelmina Margareta Janssen (1915-< 2010)".