The temperature on October 30, 1947 was between 0.2 °C and 8.1 °C and averaged 3.6 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
February 23 » International Organization for Standardization is founded.
March 25 » An explosion in a coal mine in Centralia, Illinois kills 111.
June 5 » Cold War: Marshall Plan: In a speech at Harvard University, the United States Secretary of State George Marshall calls for economic aid to war-torn Europe.
June 23 » The United States Senate follows the United States House of Representatives in overriding U.S. President Harry S. Truman's veto of the Taft–Hartley Act.
July 8 » Reports are broadcast that a UFO crash landed in Roswell, New Mexico in what became known as the Roswell UFO incident.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I30902.php : accessed March 4, 2026), "Johannes Kloonen (1860-1947)".
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