The temperature on December 20, 1907 was between 6.9 °C and 10.0 °C and averaged 8.1 °C. There was 0.3 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
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.
April 15 » Triangle Fraternity is founded at the University of Illinois at Urbana–Champaign.
May 23 » The unicameral Parliament of Finland gathers for its first plenary session.
July 7 » Florenz Ziegfeld Jr. staged his first Follies on the roof of the New York Theater in New York City.
December 8 » King Gustaf V of Sweden accedes to the Swedish throne.
December 11 » The New Zealand Parliament Buildings are almost completely destroyed by fire.
December 21 » The Chilean Army commits a massacre of at least 2,000 striking saltpeter miners in Iquique, Chile.
Day of marriage August 19, 1937
The temperature on August 19, 1937 was between 12.5 °C and 19.8 °C and averaged 16.1 °C. There was 0.1 mm of rain. There was 10.3 hours of sunshine (71%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 23 » The trial of the anti-Soviet Trotskyist center sees seventeen mid-level Communists accused of sympathizing with Leon Trotsky and plotting to overthrow Joseph Stalin's regime.
April 12 » Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, England.
July 6 » Spanish Civil War: Battle of Brunete: The battle begins with Spanish Republican troops going on the offensive against the Nationalists to relieve pressure on Madrid.
July 29 » Tōngzhōu Incident: In Tōngzhōu, China, the East Hopei Army attacks Japanese troops and civilians.
October 11 » The Duke and Duchess of Windsor tour Nazi Germany for 12 days and meet Adolf Hitler on the 22nd.
November 8 » The Nazi exhibition Der ewige Jude ("The Eternal Jew") opens in Munich.
Day of death April 21, 1986
The temperature on April 21, 1986 was between 3.7 °C and 11.7 °C and averaged 7.4 °C. There was 0.9 mm of rain during 2.4 hours. There was 0.9 hours of sunshine (6%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 22 » Start of the People Power Revolution in the Philippines.
July 6 » Davis Phinney becomes the first American cyclist to win a road stage of the Tour de France.
August 21 » Carbon dioxide gas erupts from volcanic Lake Nyos in Cameroon, killing up to 1,800 people within a 20-kilometer range.
October 10 » A 5.7 Mw San Salvador earthquake shakes El Salvador, killing 1,500.
November 3 » Iran–Contra affair: The Lebanese magazine Ash-Shiraa reports that the United States has been secretly selling weapons to Iran in order to secure the release of seven American hostages held by pro-Iranian groups in Lebanon.
November 29 » The Surinamese military attacks the village of Moiwana during the Suriname Guerrilla War, killing at least 39 civilians, mostly women and children.
When copying data from this family tree, please include a reference to the origin: Eva Drenth, "Family tree Diverse", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-drenth/I30829.php : accessed February 7, 2026), "Cornelis Wilhelm "Kees" van der Kolff (1907-1986)".
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