Family tree Klavers » Johanna de Groot (1900-1961)

Personal data Johanna de Groot 


Household of Johanna de Groot

She is married to Harm van der Vlag.

They got married on October 2, 1925 at Odoorn, Drenthe, she was 25 years old.Source 3


Child(ren):

  1. (Not public)
  2. Aaltje van der Vlag  1927-1928
  3. (Not public)

The couple were divorced from October 5, 1945 at Groningen.Source 4

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Timeline Johanna de Groot

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Ancestors (and descendant) of Johanna de Groot

Arend de Groot
± 1870-????
Aaltje Prins
± 1871-????

Johanna de Groot
1900-1961

1925

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Sources

  1. (Not public)
  2. (Not public)
  3. (Not public)
  4. (Not public)

Historical events

  • The temperature on May 25, 1900 was about 11.2 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 92%. 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 July 27, 1897 to August 1, 1901 the cabinet Pierson, with Mr. N.G. Pierson (unie-liberaal) as prime minister.
  • In the year 1900: Source: Wikipedia
    • The Netherlands had about 5.1 million citizens.
    • January 6 » Second Boer War: Having already besieged the fortress at Ladysmith, Boer forces attack it, but are driven back by British defenders.
    • May 17 » Second Boer War: British troops relieve Mafeking.
    • June 9 » Indian nationalist Birsa Munda dies of cholera in a British prison.
    • June 14 » The second German Naval Law calls for the Imperial German Navy to be doubled in size, resulting in an Anglo-German naval arms race.
    • November 7 » The People's Party is founded in Cuba.
    • December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
  • The temperature on October 2, 1925 was between 7.7 °C and 16.6 °C and averaged 11.7 °C. There was 6.8 hours of sunshine (59%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-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 September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
  • In The Netherlands , there was from August 4, 1925 to March 8, 1926 the cabinet Colijn I, with Dr. H. Colijn (ARP) as prime minister.
  • In the year 1925: Source: Wikipedia
    • The Netherlands had about 7.3 million citizens.
    • January 21 » Albania declares itself a republic.
    • February 15 » The 1925 serum run to Nome: The second delivery of serum arrives in Nome, Alaska.
    • February 21 » The New Yorker publishes its first issue.
    • May 25 » Scopes Trial: John T. Scopes is indicted for teaching human evolution in Tennessee.
    • September 8 » Rif War: Spanish forces including troops from the Foreign Legion under Colonel Francisco Franco landing at Al Hoceima, Morocco.
    • November 5 » Secret agent Sidney Reilly, the first "super-spy" of the 20th century, is executed by the OGPU, the secret police of the Soviet Union.
  • The temperature on April 21, 1961 was between 9.3 °C and 17.9 °C and averaged 12.9 °C. There was 3.0 mm of rain during 3.0 hours. There was 0.4 hours of sunshine (3%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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.
    • April 20 » Cold War: Failure of the Bay of Pigs Invasion of US-backed Cuban exiles against Cuba.
    • May 21 » American civil rights movement: Alabama Governor John Malcolm Patterson declares martial law in an attempt to restore order after race riots break out.
    • June 1 » The Canadian Bank of Commerce and Imperial Bank of Canada merge to form the Canadian Imperial Bank of Commerce, the largest bank merger in Canadian history.
    • July 20 » French military forces break the Tunisian siege of Bizerte.
    • November 11 » Thirteen Italian Air Force servicemen, deployed to the Congo as a part of the UN peacekeeping force, are massacred by a mob in Kindu.
    • November 18 » United States President John F. Kennedy sends 18,000 military advisors to South Vietnam.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname De Groot

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The Family tree Klavers publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I398487.php : accessed January 31, 2026), "Johanna de Groot (1900-1961)".