Family tree Van Koert » Jan van Groos (1903-1970)

Personal data Jan van Groos 


Household of Jan van Groos

He is married to Geertruida Catharina Dorothea Schuurmans.

They got married on November 6, 1930 at Amsterdam, he was 27 years old.


Child(ren):

  1. Jan van Groos  1933-2004 

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Timeline Jan van Groos

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Ancestors (and descendant) of Jan van Groos


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Historical events

  • The temperature on August 5, 1903 was between 12.4 °C and 19.1 °C and averaged 15.9 °C. There was 5.8 hours of sunshine (38%). 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 1903: Source: Wikipedia
    • The Netherlands had about 5.3 million citizens.
    • March 2 » In New York City the Martha Washington Hotel opens, becoming the first hotel exclusively for women.
    • April 19 » The Kishinev pogrom in Kishinev (Bessarabia) begins, forcing tens of thousands of Jews to later seek refuge in Palestine and the Western world.
    • June 11 » A group of Serbian officers stormed the royal palace and assassinated King Alexander Obrenović and his wife, Queen Draga.
    • July 19 » Maurice Garin wins the first Tour de France.
    • August 29 » The Slava, the last of the five Borodino-class battleships, is launched.
    • October 10 » The Women's Social and Political Union is founded in support of the enfranchisement of British women.
  • The temperature on November 6, 1930 was between -1.5 °C and 8.4 °C and averaged 2.9 °C. There was 8.0 hours of sunshine (86%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
  • In the year 1930: Source: Wikipedia
    • The Netherlands had about 7.8 million citizens.
    • January 26 » The Indian National Congress declares 26 January as Independence Day or as the day for Poorna Swaraj ("Complete Independence") which occurred 17 years later.
    • March 6 » International Unemployment Day demonstrations globally initiated by the Comintern.
    • March 29 » Heinrich Brüning is appointed German Reichskanzler.
    • March 31 » The Motion Picture Production Code is instituted, imposing strict guidelines on the treatment of sex, crime, religion and violence in film, in the U.S., for the next thirty-eight years.
    • June 9 » A Chicago Tribune reporter, Jake Lingle, is killed during rush hour at the Illinois Central train station by Leo Vincent Brothers, allegedly over a $100,000 gambling debt owed to Al Capone.
    • October 27 » Ratifications exchanged in London for the first London Naval Treaty go into effect immediately, further limiting the expensive naval arms race among its five signatories.
  • The temperature on November 19, 1970 was between 5.3 °C and 13.7 °C and averaged 10.3 °C. There was 5.3 mm of rain during 3.5 hours. There was 1.9 hours of sunshine (22%). The heavily clouded was. The average windspeed was 5 Bft (very strong 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 April 5, 1967 to Tuesday, July 6, 1971 the cabinet De Jong, with P.J.S. de Jong (KVP) as prime minister.
  • In the year 1970: Source: Wikipedia
    • The Netherlands had about 13.0 million citizens.
    • January 5 » The 7.1 Mw  Tonghai earthquake shakes Tonghai County, Yunnan province, China, with a maximum Mercalli intensity of X (Extreme). Between 10,000 and 15,000 people are known to have been killed and about another 26,000 are injured.
    • March 26 » South Vietnamese President Nguyễn Văn Thiệu implements a land reform program to solve the problem of land tenancy.
    • April 15 » During the Cambodian Civil War, massacre of the Vietnamese minority results in 800 bodies flowing down the Mekong river into South Vietnam.
    • May 11 » The 1970 Lubbock tornado kills 26 and causes $250million in damage.
    • May 15 » Philip Lafayette Gibbs and James Earl Green are killed at Jackson State University by police during student protests.
    • October 26 » Muhammad Ali boxes for the first time after Ali's three-year hiatus due to draft evasion.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Van Groos


When copying data from this family tree, please include a reference to the origin:
Rob van Koert, "Family tree Van Koert", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-koert/I54540.php : accessed February 28, 2026), "Jan van Groos (1903-1970)".