Family tree Post - Bouwman - Koedoder - Van Zijl - Hartman » Hendrikus Wilhelmus Janssen (1895-????)

Personal data Hendrikus Wilhelmus Janssen 


Household of Hendrikus Wilhelmus Janssen

He is married to Bertha Johanna Lagerman.

They got married on February 7, 1917 at Den Haag, he was 22 years old.

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Timeline Hendrikus Wilhelmus Janssen

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Ancestors (and descendant) of Hendrikus Wilhelmus Janssen


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    Historical events

    Day of marriage February 7, 1917

    • The temperature on February 7, 1917 was between -10.7 °C and 0.8 °C and averaged -5.7 °C. There was 6.2 hours of sunshine (66%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-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 1917: Source: Wikipedia
      • The Netherlands had about 6.5 million citizens.
      • January 31 » World War I: Germany announces that its U-boats will resume unrestricted submarine warfare after a two-year hiatus.
      • March 15 » Tsar Nicholas II of Russia abdicates the Russian throne ending the 304-year Romanov dynasty.
      • June 7 » World War I: Battle of Messines: Allied soldiers detonate a series of mines underneath German trenches at Messines Ridge, killing 10,000 German troops.
      • November 2 » The Military Revolutionary Committee of the Petrograd Soviet, in charge of preparation and carrying out the Russian Revolution, holds its first meeting.
      • December 6 » World War I: USSJacob Jones is the first American destroyer to be sunk by enemy action when it is torpedoed by German submarine SMU-53.
      • December 20 » Cheka, the first Soviet secret police force, is founded.

    About the surname Janssen

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    The Family tree Post - Bouwman - Koedoder - Van Zijl - Hartman publication was prepared by .contact the author
    When copying data from this family tree, please include a reference to the origin:
    Ineke Hartman-Post, "Family tree Post - Bouwman - Koedoder - Van Zijl - Hartman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-post-bouwman-koedoder-van-zijl-hartman/I858.php : accessed May 3, 2025), "Hendrikus Wilhelmus Janssen (1895-????)".