Family tree Ham en Dallinga » Jantje Koolhaas (1878-1961)

Personal data Jantje Koolhaas 


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Timeline Jantje Koolhaas

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Ancestors (and descendant) of Jantje Koolhaas

Jantje Koolhaas
1878-1961


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Historical events

Birthday January 12, 1878

  • The temperature on January 12, 1878 was about 2.9 °C. There was 0.2 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the southwest. The airpressure was 78 cm mercury. The atmospheric humidity was 91%. Source: KNMI
  • Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
  • In the year 1878: Source: Wikipedia
    • The Netherlands had about 4.0 million citizens.
    • February 19 » Thomas Edison patents the phonograph.
    • May 25 » Gilbert and Sullivan's comic opera H.M.S. Pinafore opens at the Opera Comique in London.
    • September 1 » Emma Nutt becomes the world's first female telephone operator when she is recruited by Alexander Graham Bell to the Boston Telephone Dispatch Company.
    • September 3 » Over 640 die when the crowded pleasure boat Princess Alice collides with the Bywell Castle in the River Thames.
    • December 18 » The Al-Thani family become the rulers of the state of Qatar.
    • December 31 » Karl Benz, working in Mannheim, Germany, filed for a patent on his first reliable two-stroke gas engine, and he was granted the patent in 1879.

Day of death October 31, 1961

  • The temperature on October 31, 1961 was between 7.0 °C and 13.7 °C and averaged 10.2 °C. There was 4.1 hours of sunshine (42%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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 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.
    • January 24 » Goldsboro B-52 crash: A bomber carrying two H-bombs breaks up in mid-air over North Carolina. The uranium core of one weapon remains lost.
    • February 12 » The Soviet Union launches Venera 1 towards Venus.
    • February 13 » An allegedly 500,000-year-old rock is discovered near Olancha, California, US, that appears to anachronistically encase a spark plug.
    • March 1 » Uganda becomes self-governing and holds its first elections.
    • October 20 » The Soviet Union performs the first armed test of a submarine-launched ballistic missile, launching an R-13 from a Golf-class submarine.
    • 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.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Koolhaas

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The Family tree Ham en Dallinga publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Dirk Ham, "Family tree Ham en Dallinga", database, Genealogy Online (https://www.genealogieonline.nl/ham-stamboom/I3490.php : accessed February 28, 2026), "Jantje Koolhaas (1878-1961)".