The temperature on July 11, 1917 was between 9.5 °C and 19.3 °C and averaged 14.7 °C. There was 1.6 hours of sunshine (10%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
February 23 » First demonstrations in Saint Petersburg, Russia. The beginning of the February Revolution (March 8 in the Gregorian calendar).
April 9 » World War I: The Battle of Arras: The battle begins with Canadian Corps executing a massive assault on Vimy Ridge.
July 17 » King George V issues a Proclamation stating that the male line descendants of the British Royal Family will bear the surname Windsor.
September 14 » The Russian Empire is formally replaced by the Russian Republic.
November 26 » The Manchester Guardian publishes the 1916 secret Sykes-Picot Agreement between the United Kingdom and France.
November 28 » The Estonian Provincial Assembly declares itself the sovereign power of Estonia.
Day of death April 2, 1990
The temperature on April 2, 1990 was between 7.7 °C and 20.1 °C and averaged 13.0 °C. There was 1.1 mm of rain during 2.2 hours. There was 7.0 hours of sunshine (54%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 14 » Ninety-two people are killed when Indian Airlines Flight 605 crashes in Bangalore, India.
March 18 » In the largest art theft in US history, 12 paintings, collectively worth around $500million, are stolen from the Isabella Stewart Gardner Museum in Boston.
March 21 » Namibia becomes independent after 75 years of South African rule.
April 23 » Namibia becomes the 160th member of the United Nations and the 50th member of the Commonwealth of Nations.
June 1 » Cold War: George H. W. Bush and Mikhail Gorbachev sign a treaty to end chemical weapon production.
September 16 » The railroad between the People's Republic of China and Kazakhstan is completed at Dostyk, adding a sizable link to the concept of the Eurasian Land Bridge.
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/I112772.php : accessed December 27, 2025), "Katharinus Kootstra (1917-1990)".
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