Family tree Plugboer » Johanna Petronella Henrietta Maria Janssens (1909-)

Personal data Johanna Petronella Henrietta Maria Janssens 


Household of Johanna Petronella Henrietta Maria Janssens

She is married to Pieter Johannes Switser.

They got married on May 23, 1934 at Rotterdam, she was 25 years old.

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Historical events

Birthday May 19, 1909

  • The temperature on May 19, 1909 was between 4.4 °C and 17.7 °C and averaged 11.7 °C. There was 9.6 hours of sunshine (61%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. 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 February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
  • In the year 1909: Source: Wikipedia
    • The Netherlands had about 5.8 million citizens.
    • February 20 » Publication of the Futurist Manifesto in the French journal Le Figaro.
    • March 23 » Theodore Roosevelt leaves New York for a post-presidency safari in Africa. The trip is sponsored by the Smithsonian Institution and National Geographic Society.
    • April 6 » Robert Peary and Matthew Henson become the first people to reach the North Pole; Peary's claim has been disputed because of failings in his navigational ability.
    • July 25 » Louis Blériot makes the first flight across the English Channel in a heavier-than-air machine from Calais to Dover, England, United Kingdom in 37 minutes.
    • September 23 » The novel Le Fantôme de l'Opéra (The Phantom of the Opera), by Gaston Leroux, is published as a serialization in Le Gaulois.
    • December 4 » The Montreal Canadiens ice hockey club, the oldest surviving professional hockey franchise in the world, is founded as a charter member of the National Hockey Association.


Same birth/death day

Source: Wikipedia


About the surname Janssens

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When copying data from this family tree, please include a reference to the origin:
Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I9866.php : accessed February 15, 2026), "Johanna Petronella Henrietta Maria Janssens (1909-)".