January 1 » Nigeria becomes a British protectorate.
January 1 » The British colonies of New South Wales, Queensland, Victoria, South Australia, Tasmania, and Western Australia federate as the Commonwealth of Australia; Edmund Barton is appointed the first Prime Minister.
February 15 » The association football club Alianza Lima is founded in Lima, Peru, under the name Sport Alianza.
March 23 » Emilio Aguinaldo, only President of the First Philippine Republic, was captured at Palanan, Isabela by the forces of General Frederick Funston.
October 12 » President Theodore Roosevelt officially renames the "Executive Mansion" to the White House.
October 29 » Leon Czolgosz, the assassin of U.S. President William McKinley, is executed by electrocution.
Day of marriage October 20, 1923
The temperature on October 20, 1923 was between 11.1 °C and 18.1 °C and averaged 13.5 °C. There was 0.7 mm of rain. There was 0.5 hours of sunshine (5%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
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.
January 1 » Britain's Railways are grouped into the Big Four: LNER, GWR, SR, and LMS.
January 9 » Juan de la Cierva makes the first autogyro flight.
February 10 » Texas Tech University is founded as Texas Technological College in Lubbock, Texas
February 15 » Greece becomes the last European country to adopt the Gregorian calendar.
September 29 » The British Mandate for Palestine takes effect, creating Mandatory Palestine.
October 15 » The German Rentenmark is introduced in Germany to counter hyperinflation in the Weimar Republic.
Day of death November 22, 1986
The temperature on November 22, 1986 was between 4.9 °C and 11.5 °C and averaged 8.0 °C. There was 0.9 mm of rain during 1.8 hours. There was 2.5 hours of sunshine (29%). The heavily clouded was. The average windspeed was 4 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.
January 19 » The first IBM PC computer virus is released into the wild. A boot sector virus dubbed (c)Brain, it was created by the Farooq Alvi Brothers in Lahore, Pakistan, reportedly to deter unauthorized copying of the software they had written.
January 28 » Space Shuttle program: STS-51-L mission: Space Shuttle Challenger disintegrates after liftoff, killing all seven astronauts on board.
May 25 » The Hands Across America event takes place.
October 11 » Ronald Reagan and Mikhail Gorbachev meet in Iceland to continue discussions about scaling back IRBM arsenals in Europe.
November 25 » The King Fahd Causeway is officially opened in the Persian Gulf.
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: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I75944.php : accessed February 19, 2026), "Knelsien Koops (1901-1986)".
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