The temperature on April 14, 1980 was between 7.1 °C and 21.9 °C and averaged 14.3 °C. There was 12.4 hours of sunshine (90%). The almost cloudless was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south east. Source: KNMI
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.
January 29 » The Rubik's Cube makes its international debut at the Ideal Toy Corp. in Earl's Court, London.
April 12 » The Americo-Liberian government of Liberia is violently deposed.
May 20 » In a referendum in Quebec, the population rejects, by 60% of the vote, a government proposal to move towards independence from Canada.
June 1 » Cable News Network (CNN) begins broadcasting.
June 10 » The African National Congress in South Africa publishes a call to fight from their imprisoned leader Nelson Mandela.
December 1 » Ecatepec, State of Mexico, Mexico, becomes a city.
Day of burial April 18, 1980
The temperature on April 18, 1980 was between 3.9 °C and 9.6 °C and averaged 7.5 °C. There was 1.5 mm of rain during 9.1 hours. The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
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.
March 14 » LOT Flight 7 crashes during final approach near Warsaw, Poland, killing 87 people, including a 14-man American boxing team.
March 27 » Silver Thursday: A steep fall in silver prices, resulting from the Hunt Brothers attempting to corner the market in silver, leads to panic on commodity and futures exchanges.
August 25 » Zimbabwe joins the United Nations.
August 27 » A massive bomb planted by extortionist John Birges explodes at Harvey's Resort Hotel in Stateline, Nevada after a failed disarming attempt by the FBI. Although the hotel is damaged, no one is injured.
September 23 » Bob Marley plays what would be the last concert of his life in Pittsburgh, Pennsylvania.
October 2 » Michael Myers becomes the first member of either chamber of Congress to be expelled since the Civil War.
When copying data from this family tree, please include a reference to the origin: J. Ham, "Family tree Ham", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ham/I56708.php : accessed February 1, 2026), "Jan Koekkoek (± 1895-1980)".
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