Family tree Weening » Johannes Helmholt (1879-1955)

Personal data Johannes Helmholt 


Household of Johannes Helmholt

He is married to Jitske Slotegraaf.

They got married on December 19, 1914 at Marum (Gr), he was 35 years old.Source 3

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Timeline Johannes Helmholt

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Ancestors (and descendant) of Johannes Helmholt

Teije Helmholt
1815-1876
Trijntje van der Veen
1818-1880
Anna Catharina van Wijk
1834-1910

Johannes Helmholt
1879-1955

1914

Jitske Slotegraaf
1893-????


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Sources

  1. Geboorteregister Grootegast 1879
  2. https://www.graftombe.nl/names/info/1984958/helmholt
  3. Huwelijksregister Marum 1914

Historical events

Birthday March 20, 1879

  • The temperature on March 20, 1879 was about 12.6 °C. The air pressure was 4 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 59%. Source: KNMI
  • Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
  • In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
  • In the year 1879: Source: Wikipedia
    • The Netherlands had about 4.0 million citizens.
    • January 13 » In Mozart Gardens Brooklyn Ada Anderson completed a great feat of pedestrianism - 2700 quarter miles in 2700 quarter hours, earning her $8000.
    • February 8 » The England cricket team led by Lord Harris is attacked in a riot during a match in Sydney.
    • February 14 » The War of the Pacific breaks out when the Chilean Army occupies the Bolivian port city of Antofagasta.
    • May 21 » War of the Pacific: Two Chilean ships blocking the harbor of Iquique (then belonging to Peru) battle two Peruvian vessels in the Battle of Iquique.
    • July 8 » Sailing ship USSJeannette departs San Francisco carrying an ill-fated expedition to the North Pole.
    • December 21 » World premiere of Henrik Ibsen's A Doll's House at the Royal Theatre in Copenhagen, Denmark.

Day of marriage December 19, 1914

  • The temperature on December 19, 1914 was between 4.5 °C and 8.1 °C and averaged 6.5 °C. There was 13.3 mm of rain. There was 3.7 hours of sunshine (48%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. 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 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
  • In the year 1914: Source: Wikipedia
    • The Netherlands had about 6.2 million citizens.
    • May 29 » The Ocean liner RMSEmpress of Ireland sinks in the Gulf of Saint Lawrence with the loss of 1,012 lives.
    • August 12 » World War I: The Battle of Halen a.k.a. Battle of the Silver Helmets a clash between large Belgian and German cavalry formations at Halen, Belgium.
    • September 1 » The last known passenger pigeon, a female named Martha, dies in captivity in the Cincinnati Zoo.
    • September 17 » World War I: The Race to the Sea begins.
    • November 2 » World War I: The Russian Empire declares war on the Ottoman Empire and the Dardanelles are subsequently closed.
    • December 8 » World War I: A squadron of Britain's Royal Navy defeats the Imperial German East Asia Squadron in the Battle of the Falkland Islands in the South Atlantic.

Day of death March 22, 1955

  • The temperature on March 22, 1955 was between -3.1 °C and 7.8 °C and averaged 2.3 °C. There was 1.8 mm of rain during 2.1 hours. There was 4.3 hours of sunshine (35%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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 September 2, 1952 to October 13, 1956 the cabinet Drees II, with Dr. W. Drees (PvdA) as prime minister.
  • In the year 1955: Source: Wikipedia
    • The Netherlands had about 10.7 million citizens.
    • April 3 » The American Civil Liberties Union announces it will defend Allen Ginsberg's book Howl against obscenity charges.
    • April 11 » The Air India Kashmir Princess is bombed and crashes in a failed assassination attempt on Zhou Enlai by the Kuomintang.
    • July 9 » The Russell–Einstein Manifesto calls for a reduction of the risk of nuclear warfare.
    • July 15 » Eighteen Nobel laureates sign the Mainau Declaration against nuclear weapons, later co-signed by thirty-four others.
    • December 1 » American Civil Rights Movement: In Montgomery, Alabama, seamstress Rosa Parks refuses to give up her bus seat to a white man and is arrested for violating the city's racial segregation laws, an incident which leads to that city's bus boycott.
    • December 8 » The Flag of Europe is adopted by Council of Europe.


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/I134467.php : accessed October 15, 2026), "Johannes Helmholt (1879-1955)".