Family tree Dusseljee » Jan Hendrik de Boer (1905-)

Personal data Jan Hendrik de Boer 


Household of Jan Hendrik de Boer

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Timeline Jan Hendrik de Boer

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Ancestors (and descendant) of Jan Hendrik de Boer

Martha Bok
1879-1922

Jan Hendrik de Boer
1905-


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Historical events

  • The temperature on May 20, 1905 was between 8.5 °C and 16.2 °C and averaged 13.0 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. 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 August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
  • In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
  • In the year 1905: Source: Wikipedia
    • The Netherlands had about 5.5 million citizens.
    • May 15 » Las Vegas is founded when 110 acres (0.45km), in what later would become downtown, are auctioned off.
    • June 27 » During the Russo-Japanese War, sailors start a mutiny aboard the Russian battleship Potemkin.
    • September 1 » Alberta and Saskatchewan join the Canadian confederation.
    • November 18 » Prince Carl of Denmark becomes King Haakon VII of Norway.
    • November 21 » Albert Einstein's paper that leads to the mass–energy equivalence formula, E=mc², is published in the journal Annalen der Physik.
    • December 11 » A workers' uprising occurs in Kiev, Ukraine (then part of the Russian Empire), and establishes the Shuliavka Republic.


Same birth/death day

Source: Wikipedia


About the surname De Boer

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When copying data from this family tree, please include a reference to the origin:
Johanna Lodewijks, "Family tree Dusseljee", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-dusseljee/I5590.php : accessed January 24, 2026), "Jan Hendrik de Boer (1905-)".