The temperature on January 10, 1947 was between -2.1 °C and 1.2 °C and averaged 0.1 °C. There was 0.1 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
February 12 » The largest observed iron meteorite until that time creates an impact crater in Sikhote-Alin, in the Soviet Union.
February 18 » First Indochina War: The French gain complete control of Hanoi after forcing the Viet Minh to withdraw to mountains.
April 30 » In Nevada, Boulder Dam is renamed Hoover Dam.
May 3 » New post-war Japanese constitution goes into effect.
August 4 » The Supreme Court of Japan is established.
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.
Day of death December 20, 1971
The temperature on December 20, 1971 was between 6.7 °C and 11.2 °C and averaged 9.2 °C. There was 6.7 mm of rain during 4.1 hours. There was 2.1 hours of sunshine (27%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
February 8 » The NASDAQ stock market index opens for the first time.
February 26 » U.N. Secretary-General U Thant signs United Nations proclamation of the vernal equinox as Earth Day.
June 7 » The Alcohol, Tobacco, and Firearms Division of the U.S. Internal Revenue Service raids the home of Ken Ballew for illegal possession of hand grenades.
September 13 » Chairman Mao Zedong's second in command and successor Marshal Lin Biao flees the People's Republic of China after the failure of an alleged coup. His plane crashes in Mongolia, killing all aboard.
October 28 » Prospero becomes the only British satellite to be launched by a British rocket.
December 14 » Bangladesh Liberation War: Over 200 of East Pakistan's intellectuals are executed by the Pakistan Army and their local allies. (The date is commemorated in Bangladesh as Martyred Intellectuals Day.)
When copying data from this family tree, please include a reference to the origin: Jack De Wit, "Family tree Van Hal", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-hal/I9.php : accessed February 25, 2026), "Arnoldus Johannes Peter van Melis (1947-1971)".
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