Family tree Jacobs » Jan Harm Dümmer (1910-)

Personal data Jan Harm Dümmer 


Household of Jan Harm Dümmer

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Timeline Jan Harm Dümmer

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Ancestors (and descendant) of Jan Harm Dümmer


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Historical events

  • The temperature on February 16, 1910 was between 0.1 °C and 7.0 °C and averaged 3.0 °C. There was 0.9 mm of rain. There was 7.2 hours of sunshine (72%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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 February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
  • In the year 1910: Source: Wikipedia
    • The Netherlands had about 5.9 million citizens.
    • February 8 » The Boy Scouts of America is incorporated by William D. Boyce.
    • April 12 » SMSZrínyi, one of the last pre-dreadnought battleships built by the Austro-Hungarian Navy, is launched.
    • May 11 » An act of the U.S. Congress establishes Glacier National Park in Montana.
    • July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
    • October 5 » In a revolution in Portugal the monarchy is overthrown and a republic is declared.
    • October 20 » The hull of the RMSOlympic, sister-ship to the ill-fated RMS Titanic, is launched from the Harland and Wolff shipyard in Belfast.


Same birth/death day

Source: Wikipedia


About the surname Dümmer

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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/I73779.php : accessed May 5, 2025), "Jan Harm Dümmer (1910-)".