Family tree Jacobs » Jantje Koens (1905-1993)

Personal data Jantje Koens 


Household of Jantje Koens

She is married to Pieter Roelfsema.

They got married on June 16, 1928 at Onstwedde, she was 22 years old.

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Timeline Jantje Koens

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Ancestors (and descendant) of Jantje Koens

Berend Koens
1873-1918

Jantje Koens
1905-1993

1928

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Historical events

  • The temperature on July 19, 1905 was between 9.8 °C and 17.9 °C and averaged 14.5 °C. There was 3.3 hours of sunshine (20%). The average windspeed was 4 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 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.
    • January 26 » The world's largest diamond ever, the Cullinan weighing 3,106.75 carats (0.621350kg), is found at the Premier Mine near Pretoria in South Africa.
    • April 17 » The Supreme Court of the United States decides Lochner v. New York, which holds that the "right to free contract" is implicit in the due process clause of the Fourteenth Amendment to the United States Constitution.
    • September 1 » Alberta and Saskatchewan join the Canadian confederation.
    • September 5 » Russo-Japanese War: In New Hampshire, United States, the Treaty of Portsmouth, mediated by U.S. President Theodore Roosevelt, ends the war.
    • October 5 » The Wright brothers pilot the Wright Flyer III in a new world record flight of 24 miles in 39 minutes.
    • December 11 » A workers' uprising occurs in Kiev, Ukraine (then part of the Russian Empire), and establishes the Shuliavka Republic.
  • The temperature on June 16, 1928 was between 6.3 °C and 14.9 °C and averaged 10.3 °C. There was 5.5 mm of rain. There was 8.3 hours of sunshine (50%). The average windspeed was 4 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 March 8, 1926 to August 10, 1929 the cabinet De Geer I, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
  • In the year 1928: Source: Wikipedia
    • The Netherlands had about 7.6 million citizens.
    • April 14 » The Bremen, a German Junkers W 33 type aircraft, reaches Greenly Island, Canada - the first successful transatlantic aeroplane flight from east to west.
    • September 1 » Ahmet Zogu declares Albania to be a monarchy and proclaims himself king.
    • September 28 » Alexander Fleming notices a bacteria-killing mold growing in his laboratory, discovering what later became known as penicillin.
    • October 15 » The airship, Graf Zeppelin completes its first trans-Atlantic flight, landing at Lakehurst, New Jersey, United States.
    • November 1 » The Law on the Adoption and Implementation of the Turkish Alphabet, replaces the Arabic alphabet with the Latin alphabet.
    • December 6 » The government of Colombia sends military forces to suppress a month-long strike by United Fruit Company workers, resulting in an unknown number of deaths.
  • The temperature on October 16, 1993 was between 0.1 °C and 8.8 °C and averaged 5.1 °C. There was 0.7 mm of rain during 1.6 hours. There was 0.7 hours of sunshine (7%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
  • Koningin Beatrix (Huis van Oranje-Nassau) was from April 30, 1980 till April 30, 2013 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
  • In the year 1993: Source: Wikipedia
    • The Netherlands had about 15.2 million citizens.
    • January 1 » Dissolution of Czechoslovakia: Czechoslovakia is divided into the Czech Republic and Slovak Republic.
    • March 11 » Janet Reno is confirmed by the United States Senate and sworn in the next day, becoming the first female Attorney General of the United States.
    • September 21 » Russian President Boris Yeltsin triggers a constitutional crisis when he suspends parliament and scraps the constitution.
    • October 4 » Battle of Mogadishu occurs killing 18 U.S. Special Forces, two UN Peacekeepers and at least 600 Somalian militia men and civilians.
    • November 4 » China Airlines Flight 605, a brand-new 747-400, overruns the runway at Kai Tak Airport.
    • November 17 » In Nigeria, General Sani Abacha ousts the government of Ernest Shonekan in a military coup.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Koens

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When copying data from this family tree, please include a reference to the origin:
Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I31346.php : accessed March 2, 2026), "Jantje Koens (1905-1993)".