The temperature on May 27, 1921 was between 8.9 °C and 18.5 °C and averaged 13.8 °C. There was 0.1 mm of rain. There was 2.5 hours of sunshine (15%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. 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 8 » Spanish Prime Minister Eduardo Dato Iradier is assassinated while exiting the parliament building in Madrid.
June 12 » Mikhail Tukhachevsky orders the use of chemical weapons against the Tambov Rebellion, bringing an end to the peasant uprising.
July 29 » Adolf Hitler becomes leader of the National Socialist German Workers Party.
August 3 » Major League Baseball Commissioner Kenesaw Mountain Landis confirms the ban of the eight Chicago Black Sox, the day after they were acquitted by a Chicago court.
August 23 » British airship R-38 experiences structural failure over Hull in England and crashes in the Humber Estuary. Of her 49 British and American training crew, only four survive.
December 22 » Opening of Visva-Bharati College, also known as Santiniketan College, now Visva Bharati University, India.
Day of marriage June 11, 1947
The temperature on June 11, 1947 was between 7.6 °C and 17.9 °C and averaged 13.3 °C. There was 2.1 hours of sunshine (13%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
February 18 » First Indochina War: The French gain complete control of Hanoi after forcing the Viet Minh to withdraw to mountains.
August 2 » A British South American Airways Avro Lancastrian airliner crashes into a mountain during a flight from Buenos Aires, Argentina to Santiago, Chile. The wreckage would not be found until 1998.
October 14 » Chuck Yeager becomes the first person to exceed the speed of sound.
October 16 » The Philippines takes over the administration of the Turtle Islands and the Mangsee Islands from the United Kingdom.
December 16 » William Shockley, John Bardeen and Walter Brattain build the first practical point-contact transistor.
December 17 » First flight of the Boeing B-47 Stratojet strategic bomber.
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/I165826.php : accessed October 25, 2026), "Johanna Koop (1921-2020)".
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