The temperature on April 30, 1947 was between 5.3 °C and 9.4 °C and averaged 7.2 °C. There was 6.7 mm of rain during 6.3 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
February 21 » In New York City, Edwin Land demonstrates the first "instant camera", the Polaroid Land Camera, to a meeting of the Optical Society of America.
March 17 » First flight of the B-45 Tornado strategic bomber.
April 15 » Jackie Robinson debuts for the Brooklyn Dodgers, breaking baseball's color line.
August 15 » India gains Independence from British rule after near 190 years of British company and crown rule, and joins the Commonwealth of Nations.
November 17 » American scientists John Bardeen and Walter Houser Brattain observe the basic principles of the transistor, a key element for the electronics revolution of the 20th century.
November 30 » Civil War in Mandatory Palestine begins, leading up to the creation of the state of Israel.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I6097.php : accessed February 8, 2026), "Joanna Emerencia Verstraeten (????-1947)".
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