The temperature on January 25, 1921 was between 1.9 °C and 8.0 °C and averaged 4.1 °C. There was 0.8 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. 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.
April 2 » The Autonomous Government of Khorasan, a military government encompassing the modern state of Iran, is established.
July 2 » World War I: U.S. President Warren G. Harding signs the Knox–Porter Resolution formally ending the war between the United States and Germany.
September 5 » Roscoe "Fatty" Arbuckle party in San Francisco ends with the death of the young actress Virginia Rappe: One of the first scandals of the Hollywood community.
October 26 » The Chicago Theatre opens.
October 29 » The Link River Dam, a part of the Klamath Reclamation Project, is completed.
November 11 » The Tomb of the Unknowns is dedicated by US President Warren G. Harding at Arlington National Cemetery.
Day of death November 15, 1999
The temperature on November 15, 1999 was between -4.1 °C and 6.1 °C and averaged 0.2 °C. There was 7.5 hours of sunshine (85%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the east. Source: KNMI
March 24 » Kosovo war: NATO began attacks on Yugoslavia without United Nations Security Council (UNSC) approval, marking the first time NATO has attacked a sovereign country.
April 14 » A severe hailstorm strikes Sydney, Australia causing A$2.3billion in insured damages, the most costly natural disaster in Australian history.
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 3 » The southwestern portion of Oklahoma City is devastated by an F5 tornado, killing forty-five people, injuring 665, and causing $1billion in damage. The tornado is one of 66 from the 1999 Oklahoma tornado outbreak. This tornado also produces the highest wind speed ever recorded, measured at 301 +/- 20mph (484 +/- 32km/h).
November 30 » British Aerospace and Marconi Electronic Systems merge to form BAE Systems, Europe's largest defense contractor and the fourth largest aerospace firm in the world.
December 3 » NASA loses radio contact with the Mars Polar Lander moments before the spacecraft enters the Martian atmosphere.
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/I189685.php : accessed December 27, 2025), "Sietske Slurink (1921-1999)".
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