The temperature on September 21, 1912 was between 2.5 °C and 15.1 °C and averaged 9.0 °C. There was 9.5 hours of sunshine (77%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
February 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
April 2 » The ill-fated RMSTitanic begins sea trials.
September 28 » Corporal Frank S. Scott of the United States Army becomes the first enlisted man to die in an airplane crash.
October 24 » First Balkan War: The Battle of Kirk Kilisse concludes with a Bulgarian victory against the Ottoman Empire.
October 24 » First Balkan War: The Battle of Kumanovo concludes with the Serbian victory against the Ottoman Empire.
November 28 » Albania declares its independence from the Ottoman Empire.
Day of marriage May 9, 1930
The temperature on May 9, 1930 was between -0.7 °C and 12.4 °C and averaged 6.9 °C. There was 0.7 mm of rain during 0.3 hours. There was 6.3 hours of sunshine (41%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 31 » The Motion Picture Production Code is instituted, imposing strict guidelines on the treatment of sex, crime, religion and violence in film, in the U.S., for the next thirty-eight years.
May 24 » Amy Johnson lands in Darwin, Northern Territory, becoming the first woman to fly solo from England to Australia (she left on May 5 for the 11,000 mile flight).
June 16 » Sovnarkom establishes decree time in the USSR.
July 7 » Industrialist Henry J. Kaiser begins construction of Boulder Dam (now known as Hoover Dam).
August 16 » The first color sound cartoon, Fiddlesticks, is released by Ub Iwerks.
October 3 » The German Socialist Labour Party in Poland – Left is founded.
Day of death May 15, 1989
The temperature on May 15, 1989 was between 4.9 °C and 21.5 °C and averaged 14.1 °C. There was 12.1 hours of sunshine (77%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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.
January 30 » The American embassy in Kabul, Afghanistan is closed.
March 2 » Twelve European Community nations agree to ban the production of all chlorofluorocarbons (CFCs) by the end of the century.
September 8 » Partnair Flight 394 dives into the North Sea, killing 55 people. The investigation showed that the tail of the plane vibrated loose in flight due to sub-standard connecting bolts that had been fraudulently sold as aircraft-grade.
November 17 » Cold War: Velvet Revolution begins: In Czechoslovakia, a student demonstration in Prague is quelled by riot police. This sparks an uprising aimed at overthrowing the communist government (it succeeds on December 29).
November 28 » Cold War: Velvet Revolution: In the face of protests, the Communist Party of Czechoslovakia announces it will give up its monopoly on political power.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I93266.php : accessed October 8, 2026), "Hendrikje Jongsma (1912-1989)".
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