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

Andries Helmholt
1840-1918
Korneliske Faber
1837-1875
Jan Roetcicoender
1838-1910
Katharina Plüger
1838-1882

Jan Helmholt
1902-1987

1928

Roelfke Paulina Douma
1905-1985


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Sources

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

Historical events

Birthday April 5, 1902

  • 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.
    • March 18 » Macario Sakay issues Presidential Order No. 1 of his Tagalog Republic.
    • April 2 » Dmitry Sipyagin, Minister of Interior of the Russian Empire, is assassinated in the Marie Palace, Saint Petersburg.
    • August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
    • November 21 » The Philadelphia Football Athletics defeated the Kanaweola Athletic Club of Elmira, New York, 39–0, in the first ever professional American football night game.
    • November 29 » The Pittsburgh Stars defeated the Philadelphia Athletics, 11–0 to win the first championship associated with an American national professional football league.
    • December 28 » The Syracuse Athletic Club defeated the New York Philadelphians, 5–0, in the first indoor professional football game, which was held at Madison Square Garden.

Day of marriage May 19, 1928

  • 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.
    • March 12 » In California, the St. Francis Dam fails; the resulting floods kill 431 people.
    • May 15 » Walt Disney character Mickey Mouse premieres in his first cartoon, "Plane Crazy".
    • June 4 » The President of the Republic of China, Zhang Zuolin, is assassinated by Japanese agents.
    • September 27 » The Republic of China is recognized by the United States.
    • October 22 » Phi Sigma Alpha fraternity is founded at the University of Puerto Rico.
    • October 28 » The "Indonesia Raya", now the national anthem, is first played during the Second Indonesian Youth Congress.

Day of death July 12, 1987

  • 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.
    • June 8 » New Zealand's Labour government establishes a national nuclear-free zone under the New Zealand Nuclear Free Zone, Disarmament, and Arms Control Act 1987.
    • June 11 » Diane Abbott, Paul Boateng and Bernie Grant are elected as the first black MPs in Great Britain.
    • July 24 » US supertanker SSBridgeton collides with mines laid by IRGC causing a 43-square-meter dent in the body of the oil tanker.
    • 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.
    • October 21 » The Jaffna hospital massacre is carried out by Indian Peace Keeping Force in Sri Lanka, killing 70 ethnic Tamil patients, doctors and nurses.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Helmholt

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  • Check the information Open Archives has about 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 February 12, 2026), "Jan Helmholt (1902-1987)".