Dambomen, negen verschillende stambomen DAM » Roelof Koehoorn (1911-1977)

Personal data Roelof Koehoorn 


Household of Roelof Koehoorn

He is married to Harmina Dam.

They got married on December 5, 1935 at Lemsterland, he was 24 years old.Source 1


Child(ren):

  1. Cornelis Koehoorn  1937-2011
  2. (Not public)
  3. (Not public)
  4. (Not public)
  5. (Not public)
  6. (Not public)
  7. (Not public)
  8. (Not public)
  9. (Not public)
  10. (Not public)
  11. (Not public)

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Timeline Roelof Koehoorn

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Ancestors (and descendant) of Roelof Koehoorn


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Sources

  1. B.S. Lemsterland, akte 46

Historical events

  • The temperature on April 4, 1911 was between -3.0 °C and 6.3 °C and averaged 1.6 °C. There was 1.0 mm of rain. There was 8.4 hours of sunshine (64%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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 February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
  • In the year 1911: Source: Wikipedia
    • The Netherlands had about 6.0 million citizens.
    • January 26 » Glenn Curtiss flies the first successful American seaplane.
    • March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
    • July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
    • September 24 » His Majesty's Airship No. 1, Britain's first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
    • October 5 » The Kowloon–Canton Railway commences service.
    • December 24 » Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
  • The temperature on December 5, 1935 was between 0.2 °C and 4.7 °C and averaged 2.3 °C. There was 0.9 mm of rain during 1.8 hours. There was 2.4 hours of sunshine (30%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. 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 May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
  • In The Netherlands , there was from July 31, 1935 to June 24, 1937 the cabinet Colijn III, with Dr. H. Colijn (ARP) as prime minister.
  • In the year 1935: Source: Wikipedia
    • The Netherlands had about 8.4 million citizens.
    • February 2 » Leonarde Keeler administers polygraph tests to two murder suspects, the first time polygraph evidence was admitted in U.S. courts.
    • June 10 » Chaco War ends: A truce is called between Bolivia and Paraguay who had been fighting since 1932.
    • June 11 » Inventor Edwin Armstrong gives the first public demonstration of FM broadcasting in the United States at Alpine, New Jersey.
    • June 25 » Colombia–Soviet Union relations are established.
    • July 5 » The National Labor Relations Act, which governs labor relations in the United States, is signed into law by President Franklin D. Roosevelt.
    • December 12 » Lebensborn Project, a Nazi reproduction program, is founded by Heinrich Himmler.
  • The temperature on October 13, 1977 was between 5.3 °C and 17.0 °C and averaged 10.9 °C. There was -0.1 mm of rain. There was 7.3 hours of sunshine (67%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southwest. 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 Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
  • In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
  • In the year 1977: Source: Wikipedia
    • The Netherlands had about 13.8 million citizens.
    • May 18 » Likud party wins the 1977 Israeli legislative election, with Menachem Begin, its founder, as the sixth Prime Minister of Israel.
    • September 18 » Voyager I takes the first distant photograph of the Earth and the Moon together.
    • October 17 » The hijacked Lufthansa Flight 181 lands in Mogadishu. The remaining hostages are later rescued.
    • November 8 » Manolis Andronikos, a Greek archaeologist and professor at the Aristotle University of Thessaloniki, discovers the tomb of Philip II of Macedon at Vergina.
    • November 11 » A munitions explosion at a train station in Iri, South Korea kills at least 56 people.
    • December 4 » Malaysian Airline System Flight 653 is hijacked and crashes in Tanjong Kupang, Johor, killing 100.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Koehoorn

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When copying data from this family tree, please include a reference to the origin:
Wicher Dam, "Dambomen, negen verschillende stambomen DAM", database, Genealogy Online (https://www.genealogieonline.nl/dambomen/I17631.php : accessed March 8, 2026), "Roelof Koehoorn (1911-1977)".