Family tree Weening » Jan Helmholt (1902-1987)

Personal data Jan Helmholt 


Household of Jan Helmholt

He is married to Roelfke Paulina Douma.

They got married on May 19, 1928 at Oldehove (Gr), he was 26 years old.Source 3

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Timeline Jan Helmholt

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Ancestors (and descendant) of Jan Helmholt

Jan Helmholt
1902-1987

1928

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Sources

  1. Geboorteregister Winsum 1902
  2. https://graftombe.nl/names/info/2000132/helmholt
  3. Huwelijksregister Oldehove 1928

Historical events

  • The temperature on April 5, 1902 was between 3.7 °C and 10.9 °C and averaged 6.8 °C. There was 2.9 hours of sunshine (22%). 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 year 1902: Source: Wikipedia
    • The Netherlands had about 5.2 million citizens.
    • January 1 » The first American college football bowl game, the Rose Bowl between Michigan and Stanford, is held in Pasadena, California.
    • January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
    • March 7 » Second Boer War: Boers, led by Koos de la Rey, inflict the biggest defeat upon the British since the beginning of the war, at Tweebosch.
    • June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
    • July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
    • October 24 » Guatemala's Santa María Volcano begins to erupt, becoming the third-largest eruption of the 20th century.
  • The temperature on May 19, 1928 was between 3.4 °C and 14.6 °C and averaged 9.0 °C. There was 4.5 mm of rain. There was 8.1 hours of sunshine (51%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. 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 March 8, 1926 to August 10, 1929 the cabinet De Geer I, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
  • In the year 1928: Source: Wikipedia
    • The Netherlands had about 7.6 million citizens.
    • January 1 » Boris Bazhanov defects through Iran. He is the only assistant of Joseph Stalin's secretariat to have defected from the Eastern Bloc.
    • June 8 » Second Northern Expedition: The National Revolutionary Army captures Peking, whose name is changed to Beijing ("Northern Capital").
    • June 9 » Charles Kingsford Smith completes the first trans-Pacific flight in a Fokker Trimotor monoplane, the Southern Cross.
    • September 28 » Alexander Fleming notices a bacteria-killing mold growing in his laboratory, discovering what later became known as penicillin.
    • October 28 » The "Indonesia Raya", now the national anthem, is first played during the Second Indonesian Youth Congress.
    • November 1 » The Law on the Adoption and Implementation of the Turkish Alphabet, replaces the Arabic alphabet with the Latin alphabet.
  • The temperature on July 12, 1987 was between 12.4 °C and 21.6 °C and averaged 17.1 °C. There was 13.2 hours of sunshine (80%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. 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 year 1987: Source: Wikipedia
    • The Netherlands had about 14.6 million citizens.
    • February 23 » Supernova 1987a is seen in the Large Magellanic Cloud.
    • April 27 » The U.S. Department of Justice bars Austrian President Kurt Waldheim (and his wife, Elisabeth, who had also been a Nazi) from entering the US, charging that he had aided in the deportations and executions of thousands of Jews and others as a German Army officer during World War II.
    • May 1 » Pope John Paul II beatifies Edith Stein, a Jewish-born Carmelite nun who was gassed in the Nazi concentration camp at Auschwitz.
    • May 15 » The Soviet Union launches the Polyus prototype orbital weapons platform. It fails to reach orbit.
    • June 11 » Diane Abbott, Paul Boateng and Bernie Grant are elected as the first black MPs in Great Britain.
    • September 13 » Goiânia accident: A radioactive object is stolen from an abandoned hospital in Goiânia, Brazil, contaminating many people in the following weeks and causing some to die from radiation poisoning.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Helmholt

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The Family tree Weening publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I199781.php : accessed October 14, 2026), "Jan Helmholt (1902-1987)".