The temperature on February 12, 1922 was between -9.4 °C and -0.6 °C and averaged -4.3 °C. There was 7.7 hours of sunshine (79%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
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.
February 6 » The Washington Naval Treaty is signed in Washington, D.C., limiting the naval armaments of United States, Britain, Japan, France, and Italy.
March 20 » The USSLangley is commissioned as the first United States Navy aircraft carrier.
May 19 » The Young Pioneer Organization of the Soviet Union is established.
September 11 » The Treaty of Kars is ratified in Yerevan, Armenia.
October 18 » The British Broadcasting Company (later Corporation) is founded by a consortium, to establish a nationwide network of radio transmitters to provide a national broadcasting service.
November 1 » Abolition of the Ottoman sultanate: The last sultan of the Ottoman Empire, Mehmed VI, abdicates.
Day of marriage September 4, 1943
The temperature on September 4, 1943 was between 8.6 °C and 20.5 °C and averaged 14.2 °C. There was 0.1 mm of rain. There was 11.7 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
March 6 » Norman Rockwell published Freedom from Want in The Saturday Evening Post with a matching essay by Carlos Bulosan as part of the Four Freedoms series.
March 14 » The liquidation of the Kraków Ghetto is completed.
June 1 » BOAC Flight 777 is shot down over the Bay of Biscay by German Junkers Ju 88s, killing British actor Leslie Howard and leading to speculation that it was actually an attempt to kill British Prime Minister Winston Churchill.
July 4 » World War II: The Battle of Kursk, the largest full-scale battle in history and the world's largest tank battle, begins in the village of Prokhorovka.
July 22 » World War II: Axis occupation forces violently disperse a massive protest in Athens, killing 22.
August 17 » World War II: The Royal Air Force begins Operation Hydra, the first air raid of the Operation Crossbow strategic bombing campaign against Germany's V-weapon program.
Day of death November 17, 1989
The temperature on November 17, 1989 was between 0.1 °C and 6.3 °C and averaged 3.0 °C. There was 7.7 hours of sunshine (88%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
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.
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 1 » The Montreal Protocol comes into force, stopping the use of chemicals contributing to ozone depletion.
April 9 » Tbilisi massacre: an anti-Soviet peaceful demonstration and hunger strike in Tbilisi, demanding restoration of Georgian independence, is dispersed by the Soviet Army, resulting in 20 deaths and hundreds of injuries.
August 18 » Leading presidential hopeful Luis Carlos Galán is assassinated near Bogotá in Colombia.
November 20 » Velvet Revolution: The number of protesters assembled in Prague, Czechoslovakia swells from 200,000 the day before to an estimated half-million.
December 13 » The Troubles: Attack on Derryard checkpoint: The Provisional Irish Republican Army launches an attack on a British Army temporary vehicle checkpoint near Rosslea, Northern Ireland. Two British soldiers are killed and two others are wounded.
December 28 » A magnitude 5.6 earthquake hits Newcastle, New South Wales, Australia, killing 13 people.
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/I112640.php : accessed February 17, 2026), "Hinderkien Roelfien Boelen (1922-1989)".
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