The temperature on February 18, 1921 was between 4.7 °C and 8.0 °C and averaged 6.0 °C. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. 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.
February 22 » After Russian forces under Baron Roman von Ungern-Sternberg drive the Chinese out, the Bogd Khan is reinstalled as the emperor of Mongolia.
March 21 » The New Economic Policy is implemented by the Bolshevik Party in response to the economic failure as a result of war communism.
July 27 » Researchers at the University of Toronto, led by biochemist Frederick Banting, prove that the hormone insulin regulates blood sugar.
October 21 » President Warren G. Harding delivers the first speech by a sitting U.S. President against lynching in the deep South.
November 4 » The Saalschutz Abteilung (hall defense detachment) of the Nazi Party is renamed the Sturmabteilung (storm detachment) after a large riot in Munich.
December 6 » The Anglo-Irish Treaty is signed in London by British and Irish representatives.
Day of death April 23, 2002
The temperature on April 23, 2002 was between 9.1 °C and 18.2 °C and averaged 13.5 °C. There was 8.4 hours of sunshine (58%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from Monday, August 3, 1998 to Monday, July 22, 2002 the cabinet Kok II, with W. Kok (PvdA) as prime minister.
In The Netherlands , there was from Monday, July 22, 2002 to Tuesday, May 27, 2003 the cabinet Balkenende I, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
January 3 » Israeli–Palestinian conflict: Israeli forces seize the Palestinian freighter Karine A in the Red Sea, finding 50 tons of weapons.
April 26 » Robert Steinhäuser kills 16 at Gutenberg-Gymnasium in Erfurt, Germany before dying of a self-inflicted gunshot.
May 1 » OpenOffice.org released version 1.0, the first stable version of the software.
July 9 » The African Union is established in Addis Ababa, Ethiopia, replacing the Organisation of African Unity (OAU). The organization's first chairman is Thabo Mbeki, President of South Africa.
July 10 » At a Sotheby's auction, Peter Paul Rubens's painting The Massacre of the Innocents is sold for £49.5million (US$76.2million) to Lord Thomson.
November 10 » Veteran's Day Weekend Tornado Outbreak: A tornado outbreak stretching from Northern Ohio to the Gulf Coast, one of the largest outbreaks recorded in November. The strongest tornado, an F4, hits Van Wert, Ohio, during the early to mid afternoon and destroys a movie theater, which had been evacuated.
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/I187296.php : accessed October 8, 2026), "Roelof Zijlstra (1921-2002)".
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