Family tree Jacobs » Maria Helena Johanna den Ridder (1960-)

Personal data Maria Helena Johanna den Ridder 

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Household of Maria Helena Johanna den Ridder

She is married to Corneli Valkestijn.

They got married on June 4, 1981 at Breda, she was 21 years old.


Child(ren):


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Timeline Maria Helena Johanna den Ridder

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Ancestors (and descendant) of Maria Helena Johanna den Ridder


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Historical events

Birthday March 31, 1960

  • The temperature on March 31, 1960 was between 4.0 °C and 10.3 °C and averaged 6.8 °C. There was 0.1 hours of sunshine (1%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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 1960: Source: Wikipedia
    • The Netherlands had about 11.4 million citizens.
    • March 21 » Apartheid: Sharpeville massacre, South Africa: Police open fire on a group of black South African demonstrators, killing 69 and wounding 180.
    • May 11 » Adolf Eichmann is captured by the Mossad in Argentina.
    • June 20 » The Mali Federation gains independence from France (it later splits into Mali and Senegal).
    • July 11 » Congo Crisis: The State of Katanga breaks away from the Democratic Republic of the Congo.
    • December 3 » The musical Camelot debuts at the Majestic Theatre on Broadway. It will become associated with the Kennedy administration.
    • December 11 » French forces crack down in a violent clash with protesters in French Algeria during a visit by French President Charles de Gaulle.

Day of marriage June 4, 1981

  • The temperature on June 4, 1981 was between 11.6 °C and 18.6 °C and averaged 15.5 °C. There was -0.1 mm of rain. There was 11.1 hours of sunshine (67%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
  • Koningin Beatrix (Huis van Oranje-Nassau) was from April 30, 1980 till April 30, 2013 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • 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 Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
  • In the year 1981: Source: Wikipedia
    • The Netherlands had about 14.2 million citizens.
    • January 1 » Greece is admitted into the European Community.
    • May 21 » Transamerica Corporation agrees to sell United Artists to Metro-Goldwyn-Mayer for $380million after the box office failure of the 1980 film Heaven's Gate.
    • June 24 » The Humber Bridge opens to traffic, connecting Yorkshire and Lincolnshire. It remained the world's longest bridge span for 17years.
    • August 30 » President Mohammad-Ali Rajai and Prime Minister Mohammad-Javad Bahonar of Iran are assassinated in a bombing committed by the People's Mujahedin of Iran.
    • September 15 » The John Bull becomes the oldest operable steam locomotive in the world when the Smithsonian Institution operates it under its own power outside Washington, D.C.
    • October 27 » Cold War: The Soviet submarine S-363 runs aground on the east coast of Sweden.


Same birth/death day

Source: Wikipedia


About the surname Den Ridder


The Family tree Jacobs publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I47542.php : accessed May 6, 2025), "Maria Helena Johanna den Ridder (1960-)".