Family tree Weening » Willem Koster (1897-1962)

Personal data Willem Koster 


Household of Willem Koster

He is married to Klaaske Pitstra.

They got married on June 8, 1929 at Achtkarspelen (Fr), he was 31 years old.Source 4


Child(ren):

  1. Ytje Koster  1929-2019
  2. Jantje Koster  1932-201
  3. (Not public)

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Timeline Willem Koster

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Ancestors (and descendant) of Willem Koster

Sytze Jetzes Koster
1829-1897
Aukje Sjoerds Hoekstra
1828-1911
Jan Heddes Heidinga
1817-1897
Hiske Pieters Arendsma
1830-1906

Willem Koster
1897-1962

1929

Klaaske Pitstra
1910-1986

Ytje Koster
1929-2019
Jantje Koster
1932-201
(Not public)

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Sources

  1. Geboorteregister 1897, Achtkarspelen
  2. Overlijdensregister 1962, Achtkarspelen
  3. http://www.graftombe.nl/names/info/304126/koster
  4. Huwelijksregister 1929, Achtkarspelen

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Historical events

Birthday June 15, 1897

  • The temperature on June 15, 1897 was about 19.9 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 56%. Source: KNMI
  • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • Regentes Emma (Huis van Oranje-Nassau) was from 1890 till 1898 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from May 9, 1894 to July 27, 1897 the cabinet Roëll, with Jonkheer mr. J. Roëll (oud-liberaal) as prime minister.
  • 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 1897: Source: Wikipedia
    • The Netherlands had about 5.1 million citizens.
    • April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
    • April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
    • July 26 » Anglo-Afghan War: The Pashtun fakir Saidullah leads an army of more than 10,000 to begin a siege of the British garrison in the Malakand Agency of the North West Frontier Province of India.
    • August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
    • September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
    • November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.

Day of marriage June 8, 1929

  • The temperature on June 8, 1929 was between 5.3 °C and 17.8 °C and averaged 12.7 °C. There was 14.3 mm of rain. There was 3.8 hours of sunshine (23%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. 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 March 8, 1926 to August 10, 1929 the cabinet De Geer I, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
  • In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
  • In the year 1929: Source: Wikipedia
    • The Netherlands had about 7.7 million citizens.
    • January 17 » Popeye the Sailor Man, a cartoon character created by E. C. Segar, first appears in the Thimble Theatre comic strip.
    • February 14 » Saint Valentine's Day Massacre: Seven people, six of them gangster rivals of Al Capone's gang, are murdered in Chicago.
    • June 1 » The 1st Conference of the Communist Parties of Latin America is held in Buenos Aires.
    • June 17 » The town of Murchison, New Zealand Is rocked by a 7.8 magnitude earthquake killing 17. At the time it was New Zealand's worst natural disaster.
    • December 19 » The Indian National Congress promulgates the Purna Swaraj (the Declaration of the Independence of India).
    • December 24 » Assassination attempt on Argentine President Hipólito Yrigoyen.

Day of death July 30, 1962

  • The temperature on July 30, 1962 was between 5.8 °C and 19.9 °C and averaged 14.8 °C. There was 1.2 mm of rain during 0.8 hours. There was 3.4 hours of sunshine (22%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southwest. 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 May 19, 1959 to July 24, 1964 the cabinet De Quay, with Prof. dr. J.E. de Quay (KVP) as prime minister.
  • In the year 1962: Source: Wikipedia
    • The Netherlands had about 11.7 million citizens.
    • January 1 » Western Samoa achieves independence from New Zealand; its name is changed to the Independent State of Western Samoa.
    • January 10 » Apollo program: NASA announces plans to build the C-5 rocket launch vehicle, which became known as the Saturn V Moon rocket, which launched every Apollo Moon mission.
    • May 27 » The Centralia mine fire is ignited in the town's landfill above a coal mine.
    • August 16 » Eight years after the remaining French India territories were handed to India, the ratifications of the treaty are exchanged to make the transfer official.
    • August 30 » Japan conducts a test of the NAMC YS-11, its first aircraft since World War II and its only successful commercial aircraft from before or after the war.
    • November 4 » The United States concludes Operation Fishbowl, its final above-ground nuclear weapons testing series, in anticipation of the 1963 Partial Nuclear Test Ban Treaty.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Koster

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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/I12766.php : accessed October 24, 2026), "Willem Koster (1897-1962)".