February 1 » La bohème premieres in Turin at the Teatro Regio (Turin), conducted by the young Arturo Toscanini.
March 1 » Henri Becquerel discovers radioactive decay.
November 27 » Also sprach Zarathustra by Richard Strauss is first performed.
December 10 » Alfred Jarry's Ubu Roi premieres in Paris. A riot breaks out at the end of the performance.
December 14 » The Glasgow Underground Railway is opened by the Glasgow District Subway Company.
December 30 » Canadian ice hockey player Ernie McLea scores the first hat-trick in Stanley Cup play, and the Cup-winning goal as the Montreal Victorias defeat the Winnipeg Victorias 6–5.
Day of marriage May 30, 1923
The temperature on May 30, 1923 was between 6.5 °C and 16.6 °C and averaged 11.7 °C. There was 3.4 mm of rain. There was 0.9 hours of sunshine (6%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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 9 » Juan de la Cierva makes the first autogyro flight.
September 12 » Southern Rhodesia, today called Zimbabwe, is annexed by the United Kingdom.
September 13 » Following a military coup in Spain, Miguel Primo de Rivera takes over, setting up a dictatorship.
October 6 » The Turkish National Movement enters Constantinople.
October 16 » The Walt Disney Company is founded.
December 21 » United Kingdom and Nepal formally signed an agreement of friendship, called the Nepal–Britain Treaty of 1923, which superseded the Treaty of Sugauli signed in 1816.
Day of death September 8, 1986
The temperature on September 8, 1986 was between 5.7 °C and 15.2 °C and averaged 10.5 °C. There was -0.1 mm of rain. There was 3.3 hours of sunshine (25%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. 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 7 » Twenty-eight years of one-family rule end in Haiti, when President Jean-Claude Duvalier flees the Caribbean nation.
March 7 » Challenger Disaster: Divers from the USSPreserver locate the crew cabin of Challenger on the ocean floor.
April 28 » High levels of radiation resulting from the Chernobyl disaster are detected at a nuclear power plant in Sweden, leading Soviet authorities to publicly announce the accident.
June 4 » Jonathan Pollard pleads guilty to espionage for selling top secret United States military intelligence to Israel.
November 25 » The King Fahd Causeway is officially opened in the Persian Gulf.
December 19 » Mikhail Gorbachev, leader of the Soviet Union, releases Andrei Sakharov and his wife from exile in Gorky.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I72176.php : accessed February 21, 2026), "Petrus Godefridus Koolen (1896-1986)".
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