Family tree Lassooij -Toussaint - Ammerlaan - Onderwater » Hendrika Janssen (1884-1950)

Personal data Hendrika Janssen 


Household of Hendrika Janssen

She is married to Nicolaas Onderwater.

They got married on May 17, 1906 at Zoeterwoude, she was 21 years old.


Child(ren):

  1. Onderwater  1924-1924

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Historical events

  • The temperature on October 24, 1884 was about 11.5 °C. The air pressure was 2 kgf/m2 and came mainly from the south east. The airpressure was 76 cm mercury. The atmospheric humidity was 56%. Source: KNMI
  • Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
  • In the year 1884: Source: Wikipedia
    • The Netherlands had about 4.5 million citizens.
    • February 19 » More than sixty tornadoes strike the Southern United States, one of the largest tornado outbreaks in U.S. history.
    • March 27 » A mob in Cincinnati, Ohio, attacks members of a jury which had returned a verdict of manslaughter in what was seen as a clear case of murder; over the next few days the mob would riot and eventually destroy the courthouse.
    • April 20 » Pope Leo XIII publishes the encyclical Humanum genus.
    • May 1 » Moses Fleetwood Walker becomes the first black person to play in a professional baseball game in the United States.
    • October 6 » The Naval War College of the United States is founded in Rhode Island.
    • December 10 » Mark Twain's Adventures of Huckleberry Finn is published.
  • The temperature on May 17, 1906 was between 6.1 °C and 14.9 °C and averaged 10.5 °C. There was 1.0 mm of rain. There was 5.7 hours of sunshine (36%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. 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 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
  • In the year 1906: Source: Wikipedia
    • The Netherlands had about 5.5 million citizens.
    • February 11 » Pope Pius X publishes the encyclical Vehementer Nos.
    • April 7 » Mount Vesuvius erupts and devastates Naples.
    • July 11 » Murder of Grace Brown by Chester Gillette in the United States, inspiration for Theodore Dreiser's An American Tragedy.
    • August 5 » Persian Constitutional Revolution: Mozaffar ad-Din Shah Qajar, King of Iran, agrees to convert the government to a constitutional monarchy.
    • September 30 » The Royal Galician Academy, the Galician language's biggest linguistic authority, starts working in La Coruña, Spain.
    • November 24 » A 13–6 victory by the Massillon Tigers over their rivals, the Canton Bulldogs, for the "Ohio League" Championship, leads to accusations that the championship series was fixed and results in the first major scandal in professional American football.
  • The temperature on November 27, 1950 was between 0.1 °C and 3.2 °C and averaged 1.5 °C. There was 0.1 mm of rain. There was 0.3 hours of sunshine (4%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
  • Koningin Juliana (Huis van Oranje-Nassau) was from September 4, 1948 till April 30, 1980 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
  • In the year 1950: Source: Wikipedia
    • The Netherlands had about 10.0 million citizens.
    • January 23 » The Knesset resolves that Jerusalem is the capital of Israel.
    • March 1 » Cold War: Klaus Fuchs is convicted of spying for the Soviet Union by disclosing top secret atomic bomb data.
    • July 24 » Cape Canaveral Air Force Station begins operations with the launch of a Bumper rocket.
    • August 25 » President Harry Truman orders the U.S. Army to seize control of the nation's railroads to avert a strike.
    • October 16 » The Lion, the Witch and the Wardrobe by C.S. Lewis is published.
    • November 26 » Korean War: Troops from the People's Republic of China launch a massive counterattack in North Korea against South Korean and United Nations forces (Battle of the Ch'ongch'on River and Battle of Chosin Reservoir), ending any hopes of a quick end to the conflict.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Janssen

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When copying data from this family tree, please include a reference to the origin:
Monique Lassooij, "Family tree Lassooij -Toussaint - Ammerlaan - Onderwater", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-lassooij/R437.php : accessed February 26, 2026), "Hendrika Janssen (1884-1950)".