The temperature on June 30, 1921 was between 10.4 °C and 16.2 °C and averaged 12.8 °C. There was 0.3 hours of sunshine (2%). 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 20 » The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.
March 6 » Portuguese Communist Party is founded as the Portuguese Section of the Communist International.
March 18 » The second Peace of Riga is signed between Poland and the Soviet Union.
May 3 » West Virginia becomes the first state to legislate a broad sales tax, but does not implement it until a number of years later due to enforcement issues.
August 28 » The Red Army dissolved the Free Territory, after driving the Black Army out of Ukraine.
September 21 » A storage silo in Oppau, Germany, explodes, killing 500–600 people.
Day of marriage April 17, 1947
The temperature on April 17, 1947 was between 5.3 °C and 15.7 °C and averaged 10.3 °C. There was 0.3 mm of rain during 0.4 hours. There was 7.6 hours of sunshine (54%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 3 » Proceedings of the U.S. Congress are televised for the first time.
January 15 » The Black Dahlia murder: the dismembered corpse of Elizabeth Short was found in Los Angeles.
April 28 » Thor Heyerdahl and five crew mates set out from Peru on the Kon-Tiki to demonstrate that Peruvian natives could have settled Polynesia.
July 8 » Reports are broadcast that a UFO crash landed in Roswell, New Mexico in what became known as the Roswell UFO incident.
August 7 » The Bombay Municipal Corporation formally takes over the Bombay Electric Supply and Transport (BEST).
September 9 » First case of a computer bug being found: A moth lodges in a relay of a Harvard Mark II computer at Harvard University.
Day of death May 19, 2001
The temperature on May 19, 2001 was between 6.5 °C and 16.6 °C and averaged 11.8 °C. There was 11.3 hours of sunshine (71%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
January 16 » Congolese President Laurent-Désiré Kabila is assassinated by one of his own bodyguards.
April 1 » An EP-3E United States Navy surveillance aircraft collides with a Chinese People's Liberation Army Shenyang J-8 fighter jet. The Navy crew makes an emergency landing in Hainan, China and is detained.
September 17 » The New York Stock Exchange reopens for trading after the September 11 attacks, the longest closure since the Great Depression.
September 20 » In an address to a joint session of Congress and the American people, U.S. President George W. Bush declares a "War on Terror".
September 21 » Ross Parker is murdered in Peterborough, England, by a gang of ten British Pakistani youths.
December 13 » Sansad Bhavan, the building housing the Indian Parliament, is attacked by terrorists. Twelve people are killed, including the terrorists.
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/I186765.php : accessed October 8, 2026), "Boutje Postma (1921-2001)".
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