Family tree Kaper » Hilko Koster (1918-1967)

Personal data Hilko Koster 


Household of Hilko Koster

He is married to (Not public).

They got married on May 8, 1941 at Groningen, GR, NLD, he was 22 years old.

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Timeline Hilko Koster

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Ancestors (and descendant) of Hilko Koster

Hilko Koster
1863-1927
Liefina Bos
1870-1923
Geert Broekema
1860-????
Grietje Wichertjes
????-
Sikko Koster
1893-1960

Hilko Koster
1918-1967

1941
(Not public)

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Historical events

Birthday November 19, 1918

  • The temperature on November 19, 1918 was between -0.2 °C and 10.3 °C and averaged 4.6 °C. There was 0.2 mm of rain. There was 3.9 hours of sunshine (45%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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 Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
  • In the year 1918: Source: Wikipedia
    • The Netherlands had about 6.6 million citizens.
    • February 5 » Stephen W. Thompson shoots down a German airplane; this is the first aerial victory by the U.S. military.
    • March 21 » World War I: The first phase of the German Spring Offensive, Operation Michael, begins.
    • July 4 » World War I: The Battle of Hamel, a successful attack by the Australian Corps against German positions near the town of Le Hamel on the Western Front.
    • July 26 » Emmy Noether's paper, which became known as Noether's theorem was presented at Göttingen, Germany, from which conservation laws are deduced for symmetries of angular momentum, linear momentum, and energy.
    • October 26 » Erich Ludendorff, quartermaster-general of the Imperial German Army, is dismissed by Kaiser Wilhelm II for refusing to cooperate in peace negotiations.
    • November 26 » The Montenegran Podgorica Assembly votes for a "union of the people", declaring assimilation into the Kingdom of Serbia.

Day of marriage May 8, 1941

  • The temperature on May 8, 1941 was between -1.7 °C and 11.8 °C and averaged 5.3 °C. There was 0.7 mm of rain during 0.3 hours. There was 8.4 hours of sunshine (55%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. 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 September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
  • In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
  • In the year 1941: Source: Wikipedia
    • The Netherlands had about 8.9 million citizens.
    • January 5 » 37-year-old pilot Amy Johnson, the first woman to fly solo from London to Australia, disappears after bailing out of her plane over the River Thames, and is presumed dead.
    • January 10 » World War II: The Greek army captures Kleisoura.
    • May 10 » World War II: The House of Commons in London is damaged by the Luftwaffe in an air raid.
    • May 27 » World War II: The German battleshipBismarck is sunk in the North Atlantic killing almost 2,100 men.
    • September 3 » The Holocaust: Karl Fritzsch, deputy camp commandant of the Auschwitz concentration camp, experiments with the use of Zyklon B in the gassing of Soviet POWs.
    • December 11 » World War II: Poland declares war on the Empire of Japan.

Day of death September 19, 1967

  • The temperature on September 19, 1967 was between 8.3 °C and 15.3 °C and averaged 11.8 °C. There was 5.3 mm of rain during 2.7 hours. There was 0.4 hours of sunshine (3%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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 November 22, 1966 to April 5, 1967 the cabinet Zijlstra, with Prof. dr. J. Zijlstra (ARP) as prime minister.
  • 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 year 1967: Source: Wikipedia
    • The Netherlands had about 12.5 million citizens.
    • January 29 » The "ultimate high" of the hippie era, the Mantra-Rock Dance, takes place in San Francisco and features Janis Joplin, Grateful Dead, and Allen Ginsberg.
    • March 12 » Suharto takes power from Sukarno when the People's Consultative Assembly inaugurate him as Acting President of Indonesia.
    • October 27 » Catholic priest Philip Berrigan and others of the 'Baltimore Four' protest the Vietnam War by pouring blood on Selective Service records.
    • November 14 » American physicist Theodore Maiman is given a patent for his ruby laser systems, the world's first laser.
    • November 15 » The only fatality of the North American X-15 program occurs during the 191st flight when Air Force test pilot Michael J. Adams loses control of his aircraft which is destroyed mid-air over the Mojave Desert.
    • November 29 » Vietnam War: U.S. Secretary of Defense Robert McNamara announces his resignation.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Koster

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The Family tree Kaper publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I73271.php : accessed February 4, 2026), "Hilko Koster (1918-1967)".