The temperature on August 30, 1915 was between 7.0 °C and 17.3 °C and averaged 11.4 °C. There was 4.6 mm of rain. There was 7.7 hours of sunshine (56%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 22 » Over 600 people are killed in Guadalajara, Mexico, when a train plunges off the tracks into a deep canyon.
January 24 » World War I: British Grand Fleet battle cruisers under Vice-Admiral Sir David Beatty engage Rear-Admiral Franz von Hipper's battle cruisers in the Battle of Dogger Bank.
March 20 » Albert Einstein publishes his general theory of relativity.
July 1 » Leutnant Kurt Wintgens of the then-named German Deutsches Heer's Fliegertruppe army air service achieves the first known aerial victory with a synchronized machine-gun armed fighter plane, the Fokker M.5K/MG Eindecker.
July 16 » At Treasure Island on the Delaware River in the United States, the First Order of the Arrow ceremony takes place and the Order of the Arrow is founded to honor American Boy Scouts who best exemplify the Scout Oath and Law.
September 15 » The Empire Picture Theatre (now The New Empire Cinema), the oldest running cinema in mainland Australia, opens in Bowral, New South Wales.
Day of marriage June 23, 1938
The temperature on June 23, 1938 was between 13.8 °C and 20.5 °C and averaged 16.6 °C. There was 2.9 hours of sunshine (17%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
February 11 » BBC Television produces the world's first ever science fiction television programme, an adaptation of a section of the Karel Čapek play R.U.R., that coined the term "robot".
June 7 » The Douglas DC-4E makes its first test flight.
September 12 » Adolf Hitler demands autonomy and self-determination for the Germans of the Sudetenland region of Czechoslovakia.
September 30 » The League of Nations unanimously outlaws "intentional bombings of civilian populations".
October 1 » Germany annexes the Sudetenland.
December 13 » The Holocaust: The Neuengamme concentration camp opens in the Bergedorf district of Hamburg, Germany.
Day of death December 18, 1999
The temperature on December 18, 1999 was between -0.3 °C and 6.0 °C and averaged 2.6 °C. There was 1.9 hours of sunshine (25%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
March 20 » Legoland California, the first Legoland outside of Europe, opens in Carlsbad, California, US.
April 20 » Columbine High School massacre: Eric Harris and Dylan Klebold kill 13 people and injure 24 others before committing suicide at Columbine High School in Columbine, Colorado.
May 28 » In Milan, Italy, after 22 years of restoration work, Leonardo da Vinci's masterpiece The Last Supper is put back on display.
June 9 » Kosovo War: The Federal Republic of Yugoslavia and NATO sign a peace treaty.
December 6 » A&M Records, Inc. v. Napster, Inc.: The Recording Industry Association of America sues the peer-to-peer file-sharing service Napster, alleging copyright infringement.
December 21 » The Spanish Civil Guard intercepts a van loaded with 950kg of explosives that ETA intended to use to blow up Torre Picasso in Madrid, Spain.
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/I187590.php : accessed October 19, 2026), "Eltje Sjoukje Basstra (1915-1999)".
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