Family tree Weening » Jantje de Roos (1900-1956)

Personal data Jantje de Roos 


Household of Jantje de Roos

She is married to Lammert Koster.

They got married on May 6, 1922 at Kollumerland c.a., Friesland, Nederland, she was 22 years old.Source 3

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Timeline Jantje de Roos

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Ancestors (and descendant) of Jantje de Roos

Jantje de Roos
1900-1956

1922

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Sources

  1. Geboorteregister 1900, Kollumerland c.a.
  2. (Not public)
  3. Huwelijksregister 1922, Kollumerland c.a.

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Historical events

  • The temperature on April 20, 1900 was about 12.8 °C. The airpressure was 78 cm mercury. The atmospheric humidity was 68%. 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 July 27, 1897 to August 1, 1901 the cabinet Pierson, with Mr. N.G. Pierson (unie-liberaal) as prime minister.
  • In the year 1900: Source: Wikipedia
    • The Netherlands had about 5.1 million citizens.
    • March 24 » Mayor of New York City Robert Anderson Van Wyck breaks ground for a new underground "Rapid Transit Railroad" that would link Manhattan and Brooklyn.
    • May 1 » The Scofield Mine disaster kills over 200 men in Scofield, Utah in what is to date the fifth-worst mining accident in United States history.
    • June 5 » Second Boer War: British soldiers take Pretoria.
    • July 29 » In Italy, King Umberto I of Italy is assassinated by the anarchist Gaetano Bresci.
    • October 19 » Max Planck discovers Planck's law of black-body radiation.
    • December 18 » The Upper Ferntree Gully to Gembrook, Victoria Narrow-gauge (2ft 6 in or 762mm) Railway (now the Puffing Billy Railway) in Victoria, Australia is opened for traffic.
  • The temperature on May 6, 1922 was between 5.2 °C and 15.8 °C and averaged 11.1 °C. There was 10.5 hours of sunshine (69%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. 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 Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
  • In the year 1922: Source: Wikipedia
    • The Netherlands had about 7.0 million citizens.
    • January 11 » First use of insulin to treat diabetes in a human patient.
    • May 30 » The Lincoln Memorial is dedicated in Washington, D.C..
    • August 22 » Michael Collins, Commander-in-chief of the Irish Free State Army, is shot dead in an ambush during the Irish Civil War.
    • October 31 » Benito Mussolini is made Prime Minister of Italy
    • November 14 » The British Broadcasting Company begins radio service in the United Kingdom.
    • December 27 » Japanese aircraft carrierHōshō becomes the first purpose built aircraft carrier to be commissioned in the world.
  • The temperature on October 9, 1956 was between 9.1 °C and 15.3 °C and averaged 11.1 °C. There was 1.6 hours of sunshine (14%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. 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)
  • In The Netherlands , there was from September 2, 1952 to October 13, 1956 the cabinet Drees II, with Dr. W. Drees (PvdA) as prime minister.
  • In The Netherlands , there was from October 13, 1956 to December 22, 1957 the cabinet Drees III, with Dr. W. Drees (PvdA) as prime minister.
  • In the year 1956: Source: Wikipedia
    • The Netherlands had about 10.8 million citizens.
    • January 26 » Soviet Union cedes Porkkala back to Finland.
    • January 30 » African-American civil rights leader Martin Luther King, Jr.'s home is bombed in retaliation for the Montgomery Bus Boycott.
    • May 20 » In Operation Redwing, the first United States airborne hydrogen bomb is dropped over Bikini Atoll in the Pacific Ocean.
    • June 23 » The French National Assembly takes the first step in creating the French Community by passing the Loi Cadre, transferring a number of powers from Paris to elected territorial governments in French West Africa.
    • August 27 » The nuclear power station at Calder Hall in the United Kingdom was connected to the national power grid becoming the world's first commercial nuclear power station to generate electricity on an industrial scale.
    • October 28 » Hungarian Revolution: A de facto ceasefire comes into effect between armed revolutionaries and Soviet troops, who begin to withdraw from Budapest. Communist officials and facilities come under attack by revolutionaries.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname De Roos

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The Family tree Weening publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I134838.php : accessed January 4, 2026), "Jantje de Roos (1900-1956)".