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.
March 21 » The New Economic Policy is implemented by the Bolshevik Party in response to the economic failure as a result of war communism.
May 3 » The Government of Ireland Act 1920 is passed, dividing Ireland into Northern Ireland and Southern Ireland.
October 29 » The Link River Dam, a part of the Klamath Reclamation Project, is completed.
November 4 » The Saalschutz Abteilung (hall defense detachment) of the Nazi Party is renamed the Sturmabteilung (storm detachment) after a large riot in Munich.
November 11 » The Tomb of the Unknowns is dedicated by US President Warren G. Harding at Arlington National Cemetery.
December 22 » Opening of Visva-Bharati College, also known as Santiniketan College, now Visva Bharati University, India.
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
February 12 » The largest observed iron meteorite until that time creates an impact crater in Sikhote-Alin, in the Soviet Union.
February 21 » In New York City, Edwin Land demonstrates the first "instant camera", the Polaroid Land Camera, to a meeting of the Optical Society of America.
February 28 » February 28 Incident: In Taiwan, civil disorder is put down with the loss of an estimated 30,000 civilians.
March 17 » First flight of the B-45 Tornado strategic bomber.
August 15 » Founder of Pakistan, Muhammad Ali Jinnah is sworn in as first Governor-General of Pakistan in Karachi.
September 18 » The National Security Council and the Central Intelligence Agency are established in the United States by the National Security Act. It also establishes the Air Force as an equal partner of the Army and Navy.
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 13 » An earthquake hits El Salvador, killing more than 800.
January 16 » US President Bill Clinton awards former President Theodore Roosevelt a posthumous Medal of Honor for his service in the Spanish–American War.
February 18 » Sampit conflict: Inter-ethnic violence between Dayaks and Madurese breaks out in Sampit, Central Kalimantan, Indonesia, ultimately resulting in more than 500 deaths and 100,000 Madurese displaced from their homes.
September 2 » The adult-oriented television block Adult Swim debuts on Cartoon Network.
October 1 » Militants attack the state legislature building in Kashmir, killing 38.
December 19 » A record high barometric pressure of 1085.6 hPa (32.06 inHg) is recorded at Tosontsengel, Khövsgöl, Mongolia.
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 December 28, 2025), "Boutje Postma (1921-2001)".
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