Family tree Van Britsom en Bax » Jannigje Helderop (1897-1961)

Personal data Jannigje Helderop 


Household of Jannigje Helderop

She is married to Jan de Boef.

They got married on May 2, 1918 at Zwijndrecht, Zuid-Holland, The Netherlands, she was 20 years old.


Child(ren):

  1. Jan de Boef  1921-1980

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Timeline Jannigje Helderop

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Ancestors (and descendant) of Jannigje Helderop

Jan Brand
1843-1878
Helena Brand
1872-1950

Jannigje Helderop
1897-1961

1918

Jan de Boef
1894-1963

Jan de Boef
1921-1980

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Historical events

  • The temperature on August 10, 1897 was about 19.7 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 76%. Source: KNMI
  • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • Regentes Emma (Huis van Oranje-Nassau) was from 1890 till 1898 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from May 9, 1894 to July 27, 1897 the cabinet Roëll, with Jonkheer mr. J. Roëll (oud-liberaal) as prime minister.
  • In The Netherlands , there was from July 27, 1897 to August 1, 1901 the cabinet Pierson, with Mr. N.G. Pierson (unie-liberaal) as prime minister.
  • In the year 1897: Source: Wikipedia
    • The Netherlands had about 5.1 million citizens.
    • January 31 » Czechoslav Trade Union Association is founded in Prague.
    • February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
    • August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
    • August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
    • September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
    • September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
  • The temperature on May 2, 1918 was between 5.0 °C and 14.8 °C and averaged 9.5 °C. There was 7.5 hours of sunshine (50%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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 Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
  • In the year 1918: Source: Wikipedia
    • The Netherlands had about 6.6 million citizens.
    • January 29 » Ukrainian–Soviet War: An armed uprising organized by the Bolsheviks in anticipation of the encroaching Red Army begins at the Kiev Arsenal, which will be put down six days later.
    • March 31 » Daylight saving time goes into effect in the United States for the first time.
    • April 24 » World War I: First tank-to-tank combat, during the second Battle of Villers-Bretonneux. Three British Mark IVs meet three German A7Vs.
    • May 2 » General Motors acquires the Chevrolet Motor Company of Delaware.
    • July 15 » World War I: The Second Battle of the Marne begins near the River Marne with a German attack.
    • November 9 » Kaiser Wilhelm II of Germany abdicates after the German Revolution, and Germany is proclaimed a Republic.
  • The temperature on November 7, 1961 was between -4 °C and 5.1 °C and averaged 1.2 °C. There was 0.2 mm of rain. There was 1.2 hours of sunshine (13%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southwest. 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 May 19, 1959 to July 24, 1964 the cabinet De Quay, with Prof. dr. J.E. de Quay (KVP) as prime minister.
  • In the year 1961: Source: Wikipedia
    • The Netherlands had about 11.6 million citizens.
    • January 3 » A protest by agricultural workers in Baixa de Cassanje, Portuguese Angola, turns into a revolt, opening the Angolan War of Independence, the first of the Portuguese Colonial Wars.
    • February 14 » Discovery of the chemical elements: Element 103, Lawrencium, is first synthesized at the University of California.
    • May 4 » American civil rights movement: The "Freedom Riders" begin a bus trip through the South.
    • May 24 » American civil rights movement: Freedom Riders are arrested in Jackson, Mississippi, for "disturbing the peace" after disembarking from their bus.
    • May 28 » Peter Benenson's article The Forgotten Prisoners is published in several internationally read newspapers. This will later be thought of as the founding of the human rights organization Amnesty International.
    • October 20 » The Soviet Union performs the first armed test of a submarine-launched ballistic missile, launching an R-13 from a Golf-class submarine.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Helderop

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When copying data from this family tree, please include a reference to the origin:
M. van Britsom, "Family tree Van Britsom en Bax", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-britsom-en-bax/I559307.php : accessed June 25, 2024), "Jannigje Helderop (1897-1961)".