The temperature on January 31, 1957 was between 6.6 °C and 11.1 °C and averaged 8.5 °C. There was 6.5 mm of rain during 10.0 hours. There was 0.2 hours of sunshine (2%). The almost completely overcast was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
May 1 » Thirty-four people are killed when a Vickers Viking airliner crashes in Hampshire, England.
May 22 » South Africa's government approves of racial separation in universities.
August 28 » U.S. Senator Strom Thurmond begins a filibuster to prevent the Senate from voting on Civil Rights Act of 1957; he stopped speaking 24 hours and 18 minutes later, the longest filibuster ever conducted by a single Senator.
October 3 » The California State Superior Court rules that the book Howl and Other Poems is not obscene.
October 10 » The Windscale fire results in Britain's worst nuclear accident.
December 6 » Project Vanguard: A launchpad explosion of Vanguard TV3 thwarts the first United States attempt to launch a satellite into Earth orbit.
When copying data from this family tree, please include a reference to the origin: G. Mertens, "Family tree Mertens", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-mertens/I17618.php : accessed January 15, 2026), "Anna Maria de Ron (1869-1957)".
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