Family tree Koster Twijslerheide e.o. » Jelle Popkema (1897-????)

Personal data Jelle Popkema 


Household of Jelle Popkema

He is married to Trijntje Oost.

They got married on August 30, 1918 at Ooststellingwerf, he was 21 years old.

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Historical events

Birthday February 21, 1897

  • The temperature on February 21, 1897 was about 6.9 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 73%. Source: KNMI
  • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • Regentes Emma (Huis van Oranje-Nassau) was from 1890 till 1898 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from May 9, 1894 to July 27, 1897 the cabinet Roëll, with Jonkheer mr. J. Roëll (oud-liberaal) as prime minister.
  • 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 1897: Source: Wikipedia
    • The Netherlands had about 5.1 million citizens.
    • April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
    • April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
    • June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
    • August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
    • August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
    • September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.


Same birth/death day

Source: Wikipedia


About the surname Popkema

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The Family tree Koster Twijslerheide e.o. publication was prepared by .contact the author
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/I6918.php : accessed February 11, 2026), "Jelle Popkema (1897-????)".