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.
    • April 23 » Fire burns down the second main building and dome of the University of Notre Dame, which prompts the construction of the third, and current, Main Building with its golden dome.
    • May 26 » Russia and the United Kingdom sign the Treaty of Gandamak establishing an Afghan state.
    • July 4 » Anglo-Zulu War: The Zululand capital of Ulundi is captured by British troops and burned to the ground, ending the war and forcing King Cetshwayo to flee.
    • July 8 » Sailing ship USSJeannette departs San Francisco carrying an ill-fated expedition to the North Pole.
    • October 15 » The Segura river in southeastern Spain floods, killing 1077 people.
    • October 22 » Using a filament of carbonized thread, Thomas Edison tests the first practical electric incandescent light bulb (it lasts 13​⁄2 hours before burning out).

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.
    • April 20 » Nineteen men, women, and children die in the Ludlow Massacre during a Colorado coal-miners' strike.
    • August 24 » World War I: The Battle of Cer ends as the first Allied victory in the war.
    • August 26 » World War I: The German colony of Togoland surrenders to French and British forces after a 20-day campaign.
    • September 14 » HMASAE1, the Royal Australian Navy's first submarine, was lost at sea with all hands near East New Britain, Papua New Guinea.
    • September 26 » The United States Federal Trade Commission is established by the Federal Trade Commission Act.
    • October 5 » World War I: An aircraft successfully destroys another aircraft with gunfire.

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.
    • May 25 » First ascent of Mount Kangchenjunga: A British expedition led by Charles Evans, Joe Brown and George Band reaches the summit of the third-highest mountain in the world (8,586 meters); Norman Hardie and Tony Streather join them the following day.
    • June 11 » Eighty-three spectators are killed and at least 100 are injured after an Austin-Healey and a Mercedes-Benz collide at the 24 Hours of Le Mans, the deadliest ever accident in motorsports.
    • July 15 » Eighteen Nobel laureates sign the Mainau Declaration against nuclear weapons, later co-signed by thirty-four others.
    • August 19 » In the Northeast United States, severe flooding caused by Hurricane Diane, claims 200 lives.
    • September 6 » Istanbul's Greek, Jewish, and Armenian minorities are the target of a government-sponsored pogrom; dozens are killed in ensuing riots.
    • October 26 » After the last Allied troops have left the country, and following the provisions of the Austrian Independence Treaty, Austria declares that it will never join a military alliance.


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 18, 2026), "Johannes Helmholt (1879-1955)".