The temperature on July 29, 1910 was between 10.0 °C and 20.0 °C and averaged 16.1 °C. There was 0.7 mm of rain. There was 6.9 hours of sunshine (44%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
March 1 » The deadliest avalanche in United States history buries a Great Northern Railway train in northeastern King County, Washington, killing 96 people.
March 8 » French aviator Raymonde de Laroche becomes the first woman to receive a pilot's license.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
September 20 » The ocean liner SSFrance, later known as the "Versailles of the Atlantic", is launched.
October 14 » English aviator Claude Grahame-White lands his aircraft on Executive Avenue near the White House in Washington, D.C.
December 3 » Modern neon lighting is first demonstrated by Georges Claude at the Paris Motor Show.
Day of marriage March 9, 1950
The temperature on March 9, 1950 was between 3.2 °C and 8.9 °C and averaged 6.0 °C. There was 3.0 mm of rain during 1.3 hours. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 17 » The Great Brink's Robbery: Eleven thieves steal more than $2 million from an armored car company's offices in Boston.
March 1 » Cold War: Klaus Fuchs is convicted of spying for the Soviet Union by disclosing top secret atomic bomb data.
May 19 » A barge containing munitions destined for Pakistan explodes in the harbor at South Amboy, New Jersey, devastating the city.
October 19 » Iran becomes the first country to accept technical assistance from the United States under the Point Four Program.
November 5 » Korean War: British and Australian forces from the 27th British Commonwealth Brigade successfully halted the advancing Chinese 117th Division during the Battle of Pakchon.
November 17 » Lhamo Dondrub is officially named the 14th Dalai Lama.
Day of death November 20, 1986
The temperature on November 20, 1986 was between 2.5 °C and 11.3 °C and averaged 6.0 °C. There was 14.6 mm of rain during 6.1 hours. The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. 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 26 » The Ugandan government of Tito Okello is overthrown by the National Resistance Army, led by Yoweri Museveni.
April 14 » The heaviest hailstones ever recorded (1 kilogram (2.2lb)) fall on the Gopalganj district of Bangladesh, killing 92.
April 29 » A fire at the Central library of the City of Los Angeles Public Library damages or destroys 400,000 books and other items.
July 6 » Davis Phinney becomes the first American cyclist to win a road stage of the Tour de France.
August 6 » A low-pressure system that redeveloped off the New South Wales coast dumps a record 328 millimeters (13inches) of rain in a day on Sydney, New South Wales, Australia.
August 31 » The Soviet passenger liner Admiral Nakhimov sinks in the Black Sea after colliding with the bulk carrier Pyotr Vasev, killing 423.
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/I118529.php : accessed October 24, 2026), "Grietje Janke Heidstra (1910-1986)".
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