Stamboom Den Hertog en Sivré » Jan Roelof de Groot (1900-1977)

Personal data Jan Roelof de Groot 


Household of Jan Roelof de Groot

He is married to Johanna Cornelia van Oosten.

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Timeline Jan Roelof de Groot

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Ancestors (and descendant) of Jan Roelof de Groot

Jan Roelof de Groot
1900-1977



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Historical events

  • The temperature on February 1, 1900 was about -2.7 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 83%. 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.
    • February 28 » The Second Boer War: The 118-day "Siege of Ladysmith" is lifted.
    • March 13 » British forces occupy Bloemfontein, Orange Free State, during the Second Boer War.
    • March 16 » Sir Arthur Evans purchased the land around the ruins of Knossos, the largest Bronze Age archaeological site on Crete.
    • May 17 » Second Boer War: British troops relieve Mafeking.
    • August 16 » The Battle of Elands River during the Second Boer War ends after a 13-day siege is lifted by the British. The battle had begun when a force of between 2,000 and 3,000 Boers had surrounded a force of 500 Australians, Rhodesians, Canadians and British soldiers at a supply dump at Brakfontein Drift.
    • December 19 » Hopetoun Blunder: The first Governor-General of Australia John Hope, 7th Earl of Hopetoun, appoints Sir William Lyne premier of the new state of New South Wales, but he is unable to persuade other colonial politicians to join his government and is forced to resign.
  • The temperature on January 3, 1977 was between 0.4 °C and 5.4 °C and averaged 4.0 °C. There was 1.1 mm of rain during 1.4 hours. The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. 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 Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
  • In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
  • In the year 1977: Source: Wikipedia
    • The Netherlands had about 13.8 million citizens.
    • June 27 » France grants independence to Djibouti.
    • August 10 » In Yonkers, New York, 24-year-old postal employee David Berkowitz ("Son of Sam") is arrested for a series of killings in the New York City area over the period of one year.
    • September 18 » Voyager I takes the first distant photograph of the Earth and the Moon together.
    • November 6 » The Kelly Barnes Dam, located above Toccoa Falls College near Toccoa, Georgia, fails, killing 39.
    • November 26 » An unidentified hijacker named Vrillon, claiming to be the representative of the "Ashtar Galactic Command", takes over Britain's Southern Television for six minutes, starting at 5:12 pm.
    • December 4 » Malaysian Airline System Flight 653 is hijacked and crashes in Tanjong Kupang, Johor, killing 100.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname De Groot

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When copying data from this family tree, please include a reference to the origin:
P. den Hertog , "Stamboom Den Hertog en Sivré", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-den-hertog-en-sivre/I24128.php : accessed June 20, 2024), "Jan Roelof de Groot (1900-1977)".