Family tree Koster Twijslerheide e.o. » Trijntje de Boer (1899-1989)

Personal data Trijntje de Boer 


Household of Trijntje de Boer

She is married to Aalze Koster.

They got married on February 22, 1923 at Idaarderadeel, she was 23 years old.

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Timeline Trijntje de Boer

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Ancestors (and descendant) of Trijntje de Boer

Trijntje de Boer
1899-1989

1923

Aalze Koster
1892-1962


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Historical events

  • The temperature on July 4, 1899 was about 14.3 °C. The airpressure was 75 cm mercury. The atmospheric humidity was 97%. 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 July 27, 1897 to August 1, 1901 the cabinet Pierson, with Mr. N.G. Pierson (unie-liberaal) as prime minister.
  • In the year 1899: Source: Wikipedia
    • The Netherlands had about 5.1 million citizens.
    • January 17 » The United States takes possession of Wake Island in the Pacific Ocean.
    • March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
    • March 31 » Malolos, capital of the First Philippine Republic, is captured by American forces.
    • April 18 » The St. Andrew's Ambulance Association is granted a royal charter by Queen Victoria.
    • July 29 » The First Hague Convention is signed.
    • December 11 » Second Boer War: In the Battle of Magersfontein the Boers commanded by general Piet Cronjé inflict a defeat on the forces of the British Empire commanded by Lord Methuen trying to relieve the Siege of Kimberley.
  • The temperature on February 22, 1923 was between -0.3 °C and 6.9 °C and averaged 2.9 °C. There was 1.2 mm of rain. There was 4.9 hours of sunshine (47%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. 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 September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
  • In the year 1923: Source: Wikipedia
    • The Netherlands had about 7.1 million citizens.
    • January 1 » Britain's Railways are grouped into the Big Four: LNER, GWR, SR, and LMS.
    • April 26 » The Duke of York weds Lady Elizabeth Bowes-Lyon at Westminster Abbey.
    • August 16 » The United Kingdom gives the name "Ross Dependency" to part of its claimed Antarctic territory and makes the Governor-General of the Dominion of New Zealand its administrator.
    • September 4 » Maiden flight of the first U.S. airship, the USSShenandoah.
    • September 29 » The British Mandate for Palestine takes effect, creating Mandatory Palestine.
    • October 22 » The royalist Leonardopoulos–Gargalidis coup d'état attempt fails in Greece, discrediting the monarchy and paving the way for the establishment of the Second Hellenic Republic.
  • The temperature on March 18, 1989 was between -2.8 °C and 8.9 °C and averaged 3.6 °C. There was 7.2 hours of sunshine (60%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
  • Koningin Beatrix (Huis van Oranje-Nassau) was from April 30, 1980 till April 30, 2013 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
  • In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
  • In the year 1989: Source: Wikipedia
    • The Netherlands had about 14.8 million citizens.
    • April 1 » Margaret Thatcher's new local government tax, the Community Charge (commonly known as the "poll tax"), is introduced in Scotland.
    • July 27 » While attempting to land at Tripoli International Airport in Libya, Korean Air Flight 803 crashes just short of the runway. Seventy-five of the 199 passengers and crew and four people on the ground are killed, in the second accident involving a DC-10 in less than two weeks, the first being United Airlines Flight 232.
    • October 15 » Wayne Gretzky becomes the all-time leading points scorer in the NHL.
    • November 7 » David Dinkins becomes the first African American to be elected Mayor of New York City.
    • December 1 » Cold War: East Germany's parliament abolishes the constitutional provision granting the Communist Party the leading role in the state.
    • December 29 » Czech writer, philosopher and dissident Václav Havel is elected the first post-communist President of Czechoslovakia.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname De Boer

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When copying data from this family tree, please include a reference to the origin:
Tjitze Koster, "Family tree Koster Twijslerheide e.o.", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-koster/I4118.php : accessed February 23, 2026), "Trijntje de Boer (1899-1989)".