The temperature on November 13, 1957 was between 1.6 °C and 6.6 °C and averaged 4.6 °C. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
April 30 » Supplementary Convention on the Abolition of Slavery entered into force.
June 10 » John Diefenbaker leads the Progressive Conservative Party of Canada to a stunning upset in the 1957 Canadian federal election, ending 22 years of Liberal Party government.
July 6 » Althea Gibson wins the Wimbledon championships, becoming the first black athlete to do so.
September 19 » Plumbbob Rainier becomes the first nuclear explosion to be entirely contained underground, producing no fallout.
September 24 » President Eisenhower sends the 101st Airborne Division to Little Rock, Arkansas, to enforce desegregation.
September 25 » Central High School in Little Rock, Arkansas, is integrated by the use of United States Army troops.
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/I36685.php : accessed May 12, 2025), "Cornelia Mackenbach (1885-1957)".
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