Family tree Den Nieuwenboer » Cornelis Koper (1905-1972)

Personal data Cornelis Koper 


Household of Cornelis Koper

He is married to Cornelia Johanna Beentjes.

They got married on February 22, 1940 at Velsen, he was 35 years old.

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Historical events

Birthday February 15, 1905

  • The temperature on February 15, 1905 was between 2.8 °C and 8.0 °C and averaged 5.0 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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 Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
  • In the year 1905: Source: Wikipedia
    • The Netherlands had about 5.5 million citizens.
    • April 17 » The Supreme Court of the United States decides Lochner v. New York, which holds that the "right to free contract" is implicit in the due process clause of the Fourteenth Amendment to the United States Constitution.
    • June 30 » Albert Einstein sends the article On the Electrodynamics of Moving Bodies, in which he introduces special relativity, for publication in Annalen der Physik.
    • October 5 » The Wright brothers pilot the Wright Flyer III in a new world record flight of 24 miles in 39 minutes.
    • November 21 » Albert Einstein's paper that leads to the mass–energy equivalence formula, E=mc², is published in the journal Annalen der Physik.
    • December 9 » In France, the law separating church and state is passed.
    • December 30 » Former Idaho Governor Frank Steunenberg is assassinated at the front gate of his home in Caldwell.

Day of death April 27, 1972

  • The temperature on April 27, 1972 was between 2.3 °C and 10.5 °C and averaged 6.1 °C. There was 0.9 mm of rain during 0.8 hours. There was 4.2 hours of sunshine (29%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. 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)
  • In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
  • In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
  • In the year 1972: Source: Wikipedia
    • The Netherlands had about 13.3 million citizens.
    • May 6 » Deniz Gezmiş, Yusuf Aslan and Hüseyin İnan are executed in Ankara after being convicted of attempting to overthrow the Constitutional order.
    • May 15 » The Ryukyu Islands, under U.S. military governance since its conquest in 1945, reverts to Japanese control.
    • May 30 » In Ben Gurion Airport (at the time: Lod Airport), Israel, members of the Japanese Red Army carry out the Lod Airport massacre, killing 24 people and injuring 78 others.
    • July 21 » The Troubles: Bloody Friday: The Provisional IRA detonate 22 bombs in central Belfast, Northern Ireland, United Kingdom in the space of 80 minutes, killing nine and injuring 130.
    • August 22 » Rhodesia is expelled by the IOC for its racist policies.
    • October 29 » The three surviving perpetrators of the Munich massacre are released from prison in exchange for the hostages of hijacked Lufthansa Flight 615.

Day of cremation May 2, 1972

  • The temperature on May 2, 1972 was between 9.0 °C and 20.7 °C and averaged 14.3 °C. There was -0.1 mm of rain. There was 10.8 hours of sunshine (72%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. 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)
  • In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
  • In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
  • In the year 1972: Source: Wikipedia
    • The Netherlands had about 13.3 million citizens.
    • March 3 » Mohawk Airlines Flight 405 crashes as a result of a control malfunction and insufficient training in emergency procedures.
    • April 2 » Actor Charlie Chaplin returns to the United States for the first time since being labeled a communist during the Red Scare in the early 1950s.
    • May 30 » In Ben Gurion Airport (at the time: Lod Airport), Israel, members of the Japanese Red Army carry out the Lod Airport massacre, killing 24 people and injuring 78 others.
    • June 16 » The largest single-site hydroelectric power project in Canada is inaugurated at Churchill Falls Generating Station.
    • September 4 » Mark Spitz becomes the first competitor to win seven medals at a single Olympic Games.
    • October 29 » The three surviving perpetrators of the Munich massacre are released from prison in exchange for the hostages of hijacked Lufthansa Flight 615.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Koper

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The Family tree Den Nieuwenboer publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
J. den Nieuwenboer, "Family tree Den Nieuwenboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-den-nieuwenboer/I7850.php : accessed May 12, 2025), "Cornelis Koper (1905-1972)".