Family tree Weening » Jan Posthumus (1917-)

Personal data Jan Posthumus 

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Household of Jan Posthumus

He is married to Romkje Leegstra.

They got married on June 27, 1940 at Tietjerksteradeel, Friesland, Nederland, he was 23 years old.Source 2

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Timeline Jan Posthumus

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Ancestors (and descendant) of Jan Posthumus

Hylke Tjeerds Posthumus
1842-1890
Loltje Wytzes Faber
1847-1918
Andries Mekkes Nicolai
1851-1916
Janna Teunis Rinzema
1857-1922

Jan Posthumus
1917-????

1940

Romkje Leegstra
1919-1994


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Sources

  1. (Not public)
  2. (Not public)

Historical events

Birthday April 24, 1917

  • The temperature on April 24, 1917 was between -1.0 °C and 10.8 °C and averaged 5.6 °C. There was 3.8 hours of sunshine (26%). 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 year 1917: Source: Wikipedia
    • The Netherlands had about 6.5 million citizens.
    • January 19 » Silvertown explosion: A blast at a munitions factory in London kills 73 and injures over 400. The resulting fire causes over £2,000,000 worth of damage.
    • March 2 » The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship.
    • March 16 » World War I: A German auxiliary cruiser is sunk in the Action of 16 March 1917.
    • March 31 » According to the terms of the Treaty of the Danish West Indies, the islands become American possessions.
    • December 2 » World War I: Russia and the Central Powers sign an armistice at Brest-Litovsk, and peace talks leading to the Treaty of Brest-Litovsk begin.
    • December 9 » World War I: Field Marshal Allenby captures Jerusalem, Palestine.

Day of marriage June 27, 1940

  • The temperature on June 27, 1940 was between 7.0 °C and 18.2 °C and averaged 12.7 °C. There was 7.0 mm of rain during 0.5 hours. There was 11.3 hours of sunshine (68%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
  • 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 year 1940: Source: Wikipedia
    • The Netherlands had about 8.8 million citizens.
    • May 5 » World War II: Norwegian refugees form a government-in-exile in London.
    • July 11 » World War II: Vichy France regime is formally established. Philippe Pétain becomes Chief of the French State.
    • August 19 » First flight of the B-25 Mitchell medium bomber.
    • August 20 » World War II: British Prime Minister Winston Churchill makes the fourth of his famous wartime speeches, containing the line "Never was so much owed by so many to so few".
    • November 10 » The 1940 Vrancea earthquake strikes Romania killing an estimated 1,000 and injuring approximately 4,000 more.
    • November 25 » World War II: First flights of both the de Havilland Mosquito and Martin B-26 Marauder.


Same birth/death day

Source: Wikipedia


About the surname Posthumus


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When copying data from this family tree, please include a reference to the origin:
Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I144439.php : accessed February 2, 2026), "Jan Posthumus (1917-)".