The temperature on February 21, 1947 was between -6.9 °C and -4.1 °C and averaged -6.1 °C. There was 1.1 mm of rain during 5.5 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
February 18 » First Indochina War: The French gain complete control of Hanoi after forcing the Viet Minh to withdraw to mountains.
February 25 » The formal abolition of Prussia is proclaimed by the Allied Control Council, the Prussian government having already been abolished by the Preußenschlag of 1932.
May 22 » Cold War: The Truman Doctrine goes into effect, aiding Turkey and Greece.
July 4 » The "Indian Independence Bill" is presented before the British House of Commons, proposing the independence of the Provinces of British India into two sovereign countries: India and Pakistan.
July 10 » Muhammad Ali Jinnah is recommended as the first Governor-General of Pakistan by the British Prime Minister, Clement Attlee.
August 7 » Thor Heyerdahl's balsa wood raft, the Kon-Tiki, smashes into the reef at Raroia in the Tuamotu Islands after a 101-day, 7,000 kilometres (4,300mi) journey across the Pacific Ocean in an attempt to prove that pre-historic peoples could have traveled from South America.
When copying data from this family tree, please include a reference to the origin: Dirk Kalksma, "Family tree Kalksma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kalksma/I450.php : accessed February 15, 2026), "Trijntje Kalksma (1917-1947)".
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