Descendants Hemerik-Broekhuizen-Huner-Koper-Barink » Gerrit Koolen (1911-)

Personal data Gerrit Koolen 


Household of Gerrit Koolen

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Timeline Gerrit Koolen

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Ancestors (and descendant) of Gerrit Koolen

Jan Brugman
1858-1944
Marie Brugman
1882-????

Gerrit Koolen
1911-????


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Relationship Gerrit Koolen

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Historical events

  • The temperature on December 28, 1911 was between -0.3 °C and 8.9 °C and averaged 3.5 °C. There was 0.7 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-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 February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
  • In the year 1911: Source: Wikipedia
    • The Netherlands had about 6.0 million citizens.
    • January 26 » Glenn Curtiss flies the first successful American seaplane.
    • April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
    • June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
    • July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
    • October 5 » The Kowloon–Canton Railway commences service.
    • December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.

About the surname Koolen

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When copying data from this family tree, please include a reference to the origin:
R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I45830.php : accessed March 9, 2026), "Gerrit Koolen (1911-)".