The temperature on May 9, 1890 was about 18.1 °C. There was 0.1 mm of rain. The air pressure was 6 kgf/m2 and came mainly from the east-northeast. The airpressure was 75 cm mercury. The atmospheric humidity was 76%. Source: KNMI
July 10 » Wyoming is admitted as the 44th U.S. state.
July 26 » In Buenos Aires, Argentina the Revolución del Parque takes place, forcing President Miguel Ángel Juárez Celman's resignation.
July 27 » Vincent van Gogh shoots himself and dies two days later.
August 6 » At Auburn Prison in New York, murderer William Kemmler becomes the first person to be executed by electric chair.
November 23 » King William III of the Netherlands dies without a male heir and a special law is passed to allow his daughter Princess Wilhelmina to succeed him.
November 29 » The Meiji Constitution goes into effect in Japan, and the first Diet convenes.
Day of marriage November 11, 1919
The temperature on November 11, 1919 was between -5.2 °C and 0.4 °C and averaged -2.0 °C. There was 0.8 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. 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.
January 22 » Act Zluky is signed, unifying the Ukrainian People's Republic and the West Ukrainian National Republic.
February 5 » Charlie Chaplin, Mary Pickford, Douglas Fairbanks, and D. W. Griffith launch United Artists.
February 6 » The five-day Seattle General Strike begins, as more than 65,000 workers in the city of Seattle, Washington, walk off the job.
May 15 » The Winnipeg general strike begins. By 11:00, almost the whole working population of Winnipeg had walked off the job.
May 29 » Albert Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington and Andrew Claude de la Cherois Crommelin
June 11 » Sir Barton wins the Belmont Stakes, becoming the first horse to win the U.S. Triple Crown.
Day of death June 1, 1957
The temperature on June 1, 1957 was between 4.5 °C and 19.8 °C and averaged 13.1 °C. There was 13.6 hours of sunshine (83%). The almost cloudless was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 31 » Eight people (5 total crew from 2 aircraft and 3 on the ground) in Pacoima, California are killed following the mid-air collision between a Douglas DC-7 airliner and a Northrop F-89 Scorpion fighter jet.
March 4 » The S&P 500 stock market index is introduced, replacing the S&P 90.
March 31 » Elections to the Territorial Assembly of the French colony Upper Volta are held. After the elections PDU and MDV form a government.
April 9 » The Suez Canal in Egypt is cleared and opens to shipping following the Suez Crisis.
June 27 » Hurricane Audrey makes landfall near the Texas–Louisiana border, killing over 400 people, mainly in and around Cameron, Louisiana.
December 6 » Project Vanguard: A launchpad explosion of Vanguard TV3 thwarts the first United States attempt to launch a satellite into Earth orbit.
When copying data from this family tree, please include a reference to the origin: W.A. Waslander, "Family tree Waslander", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-waslander/I581.php : accessed January 17, 2026), "Simon Heikens (1890-1957)".
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