Family tree Brouwer - Koster » Willemtje Koops (1914-1950)

Personal data Willemtje Koops 


Household of Willemtje Koops

She is married to Derk Mennes.

They got married on May 25, 1935 at Bedum, Groningen, Nederland, she was 21 years old.

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Timeline Willemtje Koops

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Ancestors (and descendant) of Willemtje Koops

Willem Koops
1836-????
Annechien Stoffers
1840-1878
Lammert Hadders
????-
Annegien ter Borg
????-

Willemtje Koops
1914-1950

1935

Derk Mennes
1906-


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Historical events

Birthday April 27, 1914

  • The temperature on April 27, 1914 was between -0.3 °C and 15.8 °C and averaged 8.9 °C. There was 6.5 hours of sunshine (44%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
  • In the year 1914: Source: Wikipedia
    • The Netherlands had about 6.2 million citizens.
    • April 23 » First baseball game at Wrigley Field, then known as Weeghman Park, in Chicago.
    • May 30 » The new, and then the largest, Cunard ocean liner RMSAquitania, 45,647 tons, sets sails on her maiden voyage from Liverpool, England, to New York City.
    • July 29 » The Cape Cod Canal opened.
    • August 1 » The German Empire declares war on the Russian Empire at the opening of World War I. The Swiss Army mobilizes because of World War I.
    • September 9 » World War I: The creation of the Canadian Automobile Machine Gun Brigade, the first fully mechanized unit in the British Army.
    • October 19 » First World War: The First Battle of Ypres begins.

Day of marriage May 25, 1935

  • The temperature on May 25, 1935 was between 10.6 °C and 19.6 °C and averaged 14.8 °C. There was 5.6 hours of sunshine (35%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-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 May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
  • In The Netherlands , there was from July 31, 1935 to June 24, 1937 the cabinet Colijn III, with Dr. H. Colijn (ARP) as prime minister.
  • In the year 1935: Source: Wikipedia
    • The Netherlands had about 8.4 million citizens.
    • February 26 » Robert Watson-Watt carries out a demonstration near Daventry which leads directly to the development of radar in the United Kingdom.
    • June 3 » One thousand unemployed Canadian workers board freight cars in Vancouver, beginning a protest trek to Ottawa.
    • June 25 » Colombia–Soviet Union relations are established.
    • September 15 » Nazi Germany adopts a new national flag bearing the swastika.
    • September 24 » Earl and Weldon Bascom produce the first rodeo ever held outdoors under electric lights.
    • December 18 » The Lanka Sama Samaja Party is founded in Ceylon.

Day of death December 12, 1950

  • The temperature on December 12, 1950 was between 0.5 °C and 3.2 °C and averaged 1.8 °C. There was 6.4 mm of rain during 5.4 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-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)
  • From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
  • In the year 1950: Source: Wikipedia
    • The Netherlands had about 10.0 million citizens.
    • January 17 » United Nations Security Council Resolution 79 relating to arms control is adopted.
    • May 13 » The first round of the Formula One World Championship is held at Silverstone.
    • June 24 » Apartheid: In South Africa, the Group Areas Act is passed, formally segregating races.
    • July 5 » Korean War: Task Force Smith: American and North Korean forces first clash, in the Battle of Osan.
    • November 1 » Puerto Rican nationalists Griselio Torresola and Oscar Collazo attempt to assassinate US President Harry S. Truman at Blair House.
    • November 26 » Korean War: Troops from the People's Republic of China launch a massive counterattack in North Korea against South Korean and United Nations forces (Battle of the Ch'ongch'on River and Battle of Chosin Reservoir), ending any hopes of a quick end to the conflict.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Koops

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The Family tree Brouwer - Koster publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Eric Brouwer, "Family tree Brouwer - Koster", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eric-brouwer/I44736.php : accessed February 25, 2026), "Willemtje Koops (1914-1950)".