The temperature on October 24, 1921 was between -0.7 °C and 11.5 °C and averaged 5.2 °C. There was 2.8 mm of rain. There was 5.2 hours of sunshine (51%). 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.
January 12 » Acting to restore confidence in baseball after the Black Sox Scandal, Judge Kenesaw Mountain Landis is elected as Major League Baseball's first commissioner.
February 21 » Rezā Shāh takes control of Tehran during a successful coup.
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.
May 8 » The creation of the Communist Party of Romania.
July 29 » Adolf Hitler becomes leader of the National Socialist German Workers Party.
September 21 » A storage silo in Oppau, Germany, explodes, killing 500–600 people.
Day of death September 9, 1968
The temperature on September 9, 1968 was between 9.5 °C and 23.1 °C and averaged 16.9 °C. There was 7.2 hours of sunshine (55%). The almost cloudless was. The average windspeed was 1 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
April 11 » President Lyndon B. Johnson signs the Civil Rights Act of 1968, prohibiting discrimination in the sale, rental, and financing of housing.
May 12 » Vietnam War: North Vietnamese and Viet Cong forces attack Australian troops defending Fire Support Base Coral.
June 9 » U.S. President Lyndon B. Johnson declares a national day of mourning following the assassination of Senator Robert F. Kennedy.
October 14 » The 6.5 Mw Meckering earthquake shook the southwest portion of Western Australia with a maximum Mercalli intensity of IX (Violent), causing $2.2 million in damage and leaving 20–28 people injured.
December 9 » Douglas Engelbart gave what became known as "The Mother of All Demos", publicly debuting the computer mouse, hypertext, and the bit-mapped graphical user interface using the oN-Line System (NLS).
December 11 » The Rolling Stones Rock and Roll Circus, featuring the Rolling Stones, Jethro Tull, the Who, Taj Mahal, Marianne Faithfull, and the Dirty Mac with Yoko Ono, is filmed in Wembley, London.
When copying data from this family tree, please include a reference to the origin: F.D. Boot, "Family tree Boot", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-boot/I981.php : accessed December 24, 2025), "Hans Nierop (1921-1968)".
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