Family tree Weening » Gerrit Koolstra (1904-)

Personal data Gerrit Koolstra 


Household of Gerrit Koolstra

He is married to Jacoba Anna Maria Slootweg.

They got married on September 1, 1926 at 's-Gravenhage, Zuid-Holland, Nederland, he was 22 years old.Source 2

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Timeline Gerrit Koolstra

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Ancestors (and descendant) of Gerrit Koolstra

Marten Hendriks Hoekstra
1827-1902
Janke Jans Schuilinga
1834-1927
Wybe Koolstra
1874-1940

Gerrit Koolstra
1904-????

1926

Jacoba Anna Maria Slootweg
1900-????


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Sources

  1. Geboorteregister 1904, Leeuwarden
  2. (Not public)

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Historical events

Birthday March 12, 1904

  • The temperature on March 12, 1904 was between -1.9 °C and 5.8 °C and averaged 2.3 °C. There was 3.8 hours of sunshine (33%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-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 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
  • In the year 1904: Source: Wikipedia
    • The Netherlands had about 5.4 million citizens.
    • January 7 » The distress signal "CQD" is established only to be replaced two years later by "SOS".
    • January 8 » The Blackstone Library is dedicated, marking the beginning of the Chicago Public Library system.
    • January 23 » Ålesund Fire: the Norwegian coastal town Ålesund is devastated by fire, leaving 10,000 people homeless and one person dead. Kaiser Wilhelm II funds the rebuilding of the town in Jugendstil style.
    • February 8 » Aceh War: Dutch Colonial Army's Marechaussee regiment led by General G.C.E. van Daalen launch military campaign to capture Gayo Highland, Alas Highland, and Batak Highland in Dutch East Indies' Northern Sumatra region, which ends with genocide to Acehnese and Bataks people.
    • February 17 » Madama Butterfly receives its première at La Scala in Milan.
    • August 10 » Russo-Japanese War: The Battle of the Yellow Sea between the Russian and Japanese battleship fleets takes place.

Day of marriage September 1, 1926

  • The temperature on September 1, 1926 was between 15.1 °C and 28.4 °C and averaged 21.1 °C. There was 9.7 hours of sunshine (71%). The average windspeed was 2 Bft (weak wind) 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 4, 1925 to March 8, 1926 the cabinet Colijn I, with Dr. H. Colijn (ARP) as prime minister.
  • 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 year 1926: Source: Wikipedia
    • The Netherlands had about 7.4 million citizens.
    • March 14 » The El Virilla train accident, Costa Rica, kills 248 people and wounds another 93 when a train falls off a bridge over the Río Virilla between Heredia and Tibás.
    • May 4 » The United Kingdom general strike begins.
    • May 22 » Chiang Kai-shek replaces the communists in Kuomintang China.
    • June 23 » The College Board administers the first SAT exam.
    • June 28 » Mercedes-Benz is formed by Gottlieb Daimler and Karl Benz merging their two companies.
    • November 15 » The NBC radio network opens with 24 stations.


Same birth/death day

Source: Wikipedia


About the surname Koolstra

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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/I133348.php : accessed October 16, 2026), "Gerrit Koolstra (1904-)".