Family tree Warmerdam-Janssen » Adrianus de Groot (1947-1947)

Personal data Adrianus de Groot 


Household of Adrianus de Groot


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Historical events

Birthday May 3, 1947

  • The temperature on May 3, 1947 was between 7.0 °C and 16.5 °C and averaged 11.6 °C. There was 0.2 mm of rain during 0.2 hours. There was 2.7 hours of sunshine (18%). The average windspeed was 5 Bft (very strong wind) 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 July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
  • In the year 1947: Source: Wikipedia
    • The Netherlands had about 9.5 million citizens.
    • April 30 » In Nevada, Boulder Dam is renamed Hoover Dam.
    • May 3 » New post-war Japanese constitution goes into effect.
    • June 24 » Kenneth Arnold makes the first widely reported UFO sighting near Mount Rainier, Washington, leading to the coining of the phrase "flying saucer".
    • November 13 » The Soviet Union completes development of the AK-47, one of the first proper assault rifles.
    • November 17 » American scientists John Bardeen and Walter Houser Brattain observe the basic principles of the transistor, a key element for the electronics revolution of the 20th century.
    • November 25 » Red Scare: The "Hollywood Ten" are blacklisted by Hollywood movie studios.

Day of death May 10, 1947

  • The temperature on May 10, 1947 was between 14.4 °C and 27.8 °C and averaged 20.5 °C. There was 13.3 mm of rain during 2.9 hours. There was 8.3 hours of sunshine (54%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. 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 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
  • In the year 1947: Source: Wikipedia
    • The Netherlands had about 9.5 million citizens.
    • February 18 » First Indochina War: The French gain complete control of Hanoi after forcing the Viet Minh to withdraw to mountains.
    • March 12 » Cold War: The Truman Doctrine is proclaimed to help stem the spread of Communism.
    • March 17 » First flight of the B-45 Tornado strategic bomber.
    • March 25 » An explosion in a coal mine in Centralia, Illinois kills 111.
    • August 15 » India gains Independence from British rule after near 190 years of British company and crown rule, and joins the Commonwealth of Nations.
    • December 16 » William Shockley, John Bardeen and Walter Brattain build the first practical point-contact transistor.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname De Groot

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The Family tree Warmerdam-Janssen publication was prepared by Marjo Janssen (contact is not possible).
When copying data from this family tree, please include a reference to the origin:
Marjo Janssen, "Family tree Warmerdam-Janssen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-warmerdam-janssen/I5110.php : accessed June 22, 2024), "Adrianus de Groot (1947-1947)".