The temperature on July 25, 1954 was between 15.4 °C and 18.5 °C and averaged 16.4 °C. There was 23.9 mm of rain during 10.6 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 15 » Canada and the United States agree to construct the Distant Early Warning Line, a system of radar stations in the far northern Arctic regions of Canada and Alaska.
April 8 » A Royal Canadian Air Force Canadair Harvard collides with a Trans-Canada Airlines Canadair North Star over Moose Jaw, Saskatchewan, killing 37 people.
June 14 » U.S. President Dwight D. Eisenhower signs a bill into law that places the words "under God" into the United States Pledge of Allegiance.
August 10 » At Massena, New York, the groundbreaking ceremony for the Saint Lawrence Seaway is held.
October 15 » Hurricane Hazel devastates the eastern seaboard of North America, killing 95 and causing massive floods as far north as Toronto.
November 22 » The Humane Society of the United States is founded.
When copying data from this family tree, please include a reference to the origin: Van Knippenberg, "Family tree Van Knippenberg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-knippenberg/I3906.php : accessed March 16, 2026), "Johanna Petronella van Neerven (1875-1954)".
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