Family tree Foppes » Ruurd Jonkman (1915-1919)

Personal data Ruurd Jonkman 


Household of Ruurd Jonkman

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Timeline Ruurd Jonkman

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Ancestors (and descendant) of Ruurd Jonkman

Rinze Jonkman
1885-1944
Bontje Foppes
1884-1968

Ruurd Jonkman
1915-1919


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    Historical events

    • The temperature on August 13, 1915 was between 10.9 °C and 22.2 °C and averaged 17.1 °C. There was 28.6 mm of rain. There was 8.1 hours of sunshine (55%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. 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.
      • March 20 » Albert Einstein publishes his general theory of relativity.
      • July 1 » Leutnant Kurt Wintgens of the then-named German Deutsches Heer's Fliegertruppe army air service achieves the first known aerial victory with a synchronized machine-gun armed fighter plane, the Fokker M.5K/MG Eindecker.
      • 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.
      • August 27 » Attempted assassination of Bishop Patrick Heffron, bishop of the Diocese of Winona by Rev. Louis M. Lesches.
      • September 5 » The pacifist Zimmerwald Conference begins.
      • November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
    • The temperature on June 10, 1919 was between 10.0 °C and 21.7 °C and averaged 16.4 °C. There was 13.8 hours of sunshine (83%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. 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 18 » Ignacy Jan Paderewski becomes Prime Minister of the newly independent Poland.
      • February 6 » The American Legion is founded.
      • April 13 » Jallianwala Bagh massacre: British Indian Army troops lead by Brigadier-General Reginald Dyer killed approx 379-1000 unarmed demonstrators including men and women in Amritsar, India; and approximately 1,500 injured.
      • July 23 » Prince Regent Aleksander Karađorđević signs the decree establishing the University of Ljubljana
      • October 3 » Cincinnati Reds pitcher Adolfo Luque becomes the first Latin player to appear in a World Series.
      • October 17 » RCA is incorporated as the Radio Corporation of America.
    

    Same birth/death day

    Source: Wikipedia

    Source: Wikipedia


    About the surname Jonkman

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    The Family tree Foppes publication was prepared by .contact the author
    When copying data from this family tree, please include a reference to the origin:
    Jochem Foppes, "Family tree Foppes", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-foppes/I4917.php : accessed February 15, 2026), "Ruurd Jonkman (1915-1919)".