Family tree Oskam » Jan Leendert de Koster (1886-1968)

Personal data Jan Leendert de Koster 


Household of Jan Leendert de Koster

He is married to Margaretha Dirkje Oskamp.

They got married on August 6, 1908 at Zevenhuizen, he was 22 years old.Source 1


Child(ren):


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Ancestors (and descendant) of Jan Leendert de Koster

Jan Leendert de Koster
1886-1968

1908

Margaretha Dirkje Oskamp
1887-1970

Margaretha Elizabet de Koster
± 1909-1909

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Sources

  1. (Not public)

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Historical events

Birthday February 19, 1886

  • The temperature on February 19, 1886 was about -3.4 °C. The air pressure was 2 kgf/m2 and came mainly from the east. The airpressure was 76 cm mercury. The atmospheric humidity was 95%. 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 1886: Source: Wikipedia
    • The Netherlands had about 4.5 million citizens.
    • January 18 » Modern field hockey is born with the formation of The Hockey Association in England.
    • April 8 » William Ewart Gladstone introduces the first Irish Home Rule Bill into the British House of Commons.
    • May 1 » Rallies are held throughout the United States demanding the eight-hour work day, culminating in the Haymarket affair in Chicago, in commemoration of which May 1 is celebrated as International Workers' Day in many countries.
    • May 4 » Haymarket affair: A bomb is thrown at policemen trying to break up a labor rally in Chicago, United States, killing eight and wounding 60. The police fire into the crowd.
    • June 30 » The first transcontinental train trip across Canada departs from Montreal, Quebec. It arrives in Port Moody, British Columbia on July 4.
    • July 3 » Karl Benz officially unveils the Benz Patent-Motorwagen, the first purpose-built automobile.

Day of marriage August 6, 1908

  • The temperature on August 6, 1908 was between 12.6 °C and 22.0 °C and averaged 17.3 °C. There was 5.5 mm of rain. There was 5.5 hours of sunshine (36%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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 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 1908: Source: Wikipedia
    • The Netherlands had about 5.7 million citizens.
    • April 8 » Harvard University votes to establish the Harvard Business School.
    • June 18 » The University of the Philippines is established.
    • June 27 » A group of Vietnamese tirailleurs conducts a failed attempt to poison the entire French army's garrison in the Hanoi Citadel with the aim to make way for Hoàng Hoa Thám's rebel army to capture Hanoi.
    • July 23 » The Second Constitution accepted by the Ottomans.
    • October 6 » The Bosnian crisis erupts when Austria-Hungary formally annexes Bosnia and Herzegovina.
    • October 14 » The Chicago Cubs defeat the Detroit Tigers, 2–0, clinching the 1908 World Series; this would be their last until winning the 2016 World Series.

Day of death September 2, 1968

  • The temperature on September 2, 1968 was between 14.0 °C and 20.9 °C and averaged 16.4 °C. There was 2.9 mm of rain during 3.0 hours. There was 1.0 hours of sunshine (7%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) 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)
  • In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet De Jong, with P.J.S. de Jong (KVP) as prime minister.
  • In the year 1968: Source: Wikipedia
    • The Netherlands had about 12.7 million citizens.
    • March 17 » As a result of nerve gas testing by the U.S. Army Chemical Corps in Skull Valley, Utah, over 6,000 sheep are found dead.
    • June 11 » Lloyd J. Old identified the first cell surface antigens that could differentiate among different cell types.
    • October 20 » Former First Lady Jacqueline Kennedy marries Greek shipping tycoon Aristotle Onassis.
    • December 10 » Japan's biggest heist, the still-unsolved "300 million yen robbery", is carried out in Tokyo.
    • December 11 » The Rolling Stones Rock and Roll Circus, featuring the Rolling Stones, Jethro Tull, the Who, Taj Mahal, Marianne Faithfull, and the Dirty Mac with Yoko Ono, is filmed in Wembley, London.
    • December 20 » The Zodiac Killer kills Betty Lou Jenson and David Faraday in Vallejo, California.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname De Koster


The Family tree Oskam publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Peter Oskam, "Family tree Oskam", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oskam/I2000.php : accessed February 5, 2026), "Jan Leendert de Koster (1886-1968)".