Family tree Kaempff » Roelofje Koopman (1897-1981)

Personal data Roelofje Koopman 


Household of Roelofje Koopman

She is married to Roelof Post.

They got married on August 11, 1923 at Hoogeveen, she was 25 years old.


Child(ren):

  1. Klaas Post  1924-2006

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Ancestors (and descendant) of Roelofje Koopman

Roelofje Koopman
1897-1981

1923

Roelof Post
1895-1968

Klaas Post
1924-2006

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Historical events

Birthday November 18, 1897

  • The temperature on November 18, 1897 was about 10.1 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 99%. Source: KNMI
  • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • Regentes Emma (Huis van Oranje-Nassau) was from 1890 till 1898 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from May 9, 1894 to July 27, 1897 the cabinet Roëll, with Jonkheer mr. J. Roëll (oud-liberaal) as prime minister.
  • In The Netherlands , there was from July 27, 1897 to August 1, 1901 the cabinet Pierson, with Mr. N.G. Pierson (unie-liberaal) as prime minister.
  • In the year 1897: Source: Wikipedia
    • The Netherlands had about 5.1 million citizens.
    • February 1 » Shinhan Bank, the oldest bank in South Korea, opens in Seoul.
    • May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
    • July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
    • August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
    • August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
    • September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.

Day of marriage August 11, 1923

  • The temperature on August 11, 1923 was between 8.2 °C and 21.7 °C and averaged 15.1 °C. There was 7.2 hours of sunshine (48%). The average windspeed was 2 Bft (weak wind) 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 September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
  • In the year 1923: Source: Wikipedia
    • The Netherlands had about 7.1 million citizens.
    • February 15 » Greece becomes the last European country to adopt the Gregorian calendar.
    • April 18 » Yankee Stadium: "The House that Ruth Built" opens.
    • July 24 » The Treaty of Lausanne, settling the boundaries of modern Turkey, is signed in Switzerland by Greece, Bulgaria and other countries that fought in World War I.
    • August 2 » Vice President Calvin Coolidge becomes U.S. President upon the death of President Warren G. Harding.
    • October 13 » Ankara becomes the capital of Turkey.
    • October 29 » Turkey becomes a republic following the dissolution of the Ottoman Empire.


Same birth/death day

Source: Wikipedia


About the surname Koopman

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The Family tree Kaempff publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Wim de Vries, "Family tree Kaempff", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaempff/I3483.php : accessed January 27, 2026), "Roelofje Koopman (1897-1981)".