Family tree Jacobs » Johannes Cornelis Olthof (1890-1971)

Personal data Johannes Cornelis Olthof 


Household of Johannes Cornelis Olthof

He is married to Gertrud Heidemann.

They got married.


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Ancestors (and descendant) of Johannes Cornelis Olthof


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Historical events

  • The temperature on July 9, 1890 was about 15.0 °C. There was 3 mm of rain. The air pressure was 2 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 90%. Source: KNMI
  • Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • 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 April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
  • In the year 1890: Source: Wikipedia
    • The Netherlands had about 4.5 million citizens.
    • January 25 » Nellie Bly completes her round-the-world journey in 72 days.
    • March 20 » Prime Minister of the German Empire Otto von Bismarck is dismissed by Emperor Wilhelm II.
    • July 3 » Idaho is admitted as the 43rd U.S. state.
    • September 24 » The Church of Jesus Christ of Latter-day Saints officially renounces polygamy.
    • October 11 » In Washington, D.C., the Daughters of the American Revolution is founded.
    • November 4 » City and South London Railway: London's first deep-level tube railway opens between King William Street and Stockwell.
  • The temperature on November 17, 1971 was between 4.0 °C and 8.3 °C and averaged 6.0 °C. There was 2.0 mm of rain during 3.5 hours. There was 1.0 hours of sunshine (11%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) 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 April 5, 1967 to Tuesday, July 6, 1971 the cabinet De Jong, with P.J.S. de Jong (KVP) as prime minister.
  • In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
  • In the year 1971: Source: Wikipedia
    • The Netherlands had about 13.1 million citizens.
    • February 3 » New York Police Officer Frank Serpico is shot during a drug bust in Brooklyn and survives to later testify against police corruption.
    • February 9 » Apollo program: Apollo 14 returns to Earth after the third manned Moon landing.
    • February 9 » Satchel Paige becomes the first Negro League player to be voted into the USA's Baseball Hall of Fame.
    • February 15 » The decimalisation of British coinage is completed on Decimal Day.
    • March 25 » The Army of the Republic of Vietnam abandon an attempt to cut off the Ho Chi Minh trail in Laos.
    • July 5 » The Twenty-sixth Amendment to the United States Constitution, lowering the voting age from 21 to 18 years, is formally certified by President Richard Nixon.
  • The temperature on November 20, 1971 was between -8.4 °C and 3.8 °C and averaged -1.0 °C. There was 2.1 mm of rain during 0.7 hours. There was 1.7 hours of sunshine (20%). The partly clouded was. The average windspeed was 2 Bft (weak 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 Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
  • In the year 1971: Source: Wikipedia
    • The Netherlands had about 13.1 million citizens.
    • February 27 » Doctors in the first Dutch abortion clinic (the Mildredhuis in Arnhem) start performing artificially-induced abortions.
    • May 27 » Pakistani forces massacre over 200 civilians, mostly Bengali Hindus, in the Bagbati massacre.
    • September 9 » The four-day Attica Prison riot begins, eventually resulting in 39 dead, most killed by state troopers retaking the prison.
    • November 12 » Vietnam War: As part of Vietnamization, US President Richard Nixon sets February 1, 1972 as the deadline for the removal of another 45,000 American troops from Vietnam.
    • November 27 » The Soviet space program's Mars 2 orbiter releases a descent module. It malfunctions and crashes, but it is the first man-made object to reach the surface of Mars.
    • December 20 » The international aid organization Doctors Without Borders is founded by Bernard Kouchner and a group of journalists in Paris, France.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Olthof

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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/I71724.php : accessed April 30, 2025), "Johannes Cornelis Olthof (1890-1971)".