The temperature on March 9, 1957 was between 8.9 °C and 14.9 °C and averaged 11.2 °C. There was 3.6 mm of rain during 5.5 hours. There was 3.2 hours of sunshine (28%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
March 4 » The S&P 500 stock market index is introduced, replacing the S&P 90.
March 13 » Cuban student revolutionaries storm the presidential palace in Havana in a failed attempt on the life of President Fulgencio Batista.
July 6 » John Lennon and Paul McCartney meet for the first time, as teenagers at Woolton Fete, three years before forming the Beatles.
August 21 » The Soviet Union successfully conducts a long-range test flight of the R-7 Semyorka, the first intercontinental ballistic missile.
October 10 » U.S. President Eisenhower apologizes to Ghanaian finance minister Gbedemah after he is refused service in a Delaware restaurant.
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: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I1248.php : accessed February 11, 2026), "Ad F.X. Ackers".
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