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
April 6 » Greek shipping tycoon Aristotle Onassis buys the Hellenic National Airlines (TAE) and founds Olympic Airlines.
October 1 » First appearance of In God we trust on U.S. paper currency.
October 10 » The Windscale fire results in Britain's worst nuclear accident.
October 10 » U.S. President Eisenhower apologizes to Ghanaian finance minister Gbedemah after he is refused service in a Delaware restaurant.
October 22 » Vietnam War: First United States casualties in Vietnam.
November 17 » Vickers Viscount G-AOHP of British European Airways crashes at Ballerup after the failure of three engines on approach to Copenhagen Airport. The cause is a malfunction of the anti-icing system on the aircraft. There are no fatalities.
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 March 2, 2026), "Anna Maria de Ron (1869-1957)".
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