Family tree Panjer » Harmannus Koers (± 1884-????)

Personal data Harmannus Koers 


Household of Harmannus Koers

He is married to Derkien Drent.

They got married on May 28, 1914 at Nieuwe Pekela, Groningen, Nederland.

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Timeline Harmannus Koers

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Ancestors (and descendant) of Harmannus Koers

Harmannus Koers
± 1884-????

1914

Derkien Drent
± 1891-1918


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Historical events

Day of marriage May 28, 1914

  • The temperature on May 28, 1914 was between 5.6 °C and 14.4 °C and averaged 8.9 °C. There was 6.2 mm of rain. There was 3.5 hours of sunshine (22%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. 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 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
  • In the year 1914: Source: Wikipedia
    • The Netherlands had about 6.2 million citizens.
    • April 21 » Ypiranga incident: A German arms shipment to Mexico is intercepted by the U.S. Navy near Veracruz.
    • April 24 » The Franck–Hertz experiment, a pillar of quantum mechanics, is presented to the German Physical Society.
    • May 17 » The Protocol of Corfu is signed, recognising full autonomy to Northern Epirus under nominal Albanian sovereignty.
    • August 2 » The German occupation of Luxembourg during World War I begins.
    • September 14 » HMASAE1, the Royal Australian Navy's first submarine, was lost at sea with all hands near East New Britain, Papua New Guinea.
    • November 7 » The German colony of Kiaochow Bay and its centre at Tsingtao are captured by Japanese forces.

About the surname Koers

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The Family tree Panjer publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
H. Panjer, "Family tree Panjer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_panjer/I4014.php : accessed January 8, 2026), "Harmannus Koers (± 1884-????)".