The temperature on September 4, 1956 was between 9.3 °C and 16.4 °C and averaged 12.6 °C. There was 1.0 mm of rain during 0.6 hours. There was 2.2 hours of sunshine (16%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
April 5 » Cuban Revolution: Fidel Castro declares himself at war with Cuban President Fulgencio Batista.
May 1 » The polio vaccine developed by Jonas Salk is made available to the public.
May 24 » The first Eurovision Song Contest is held in Lugano, Switzerland.
September 25 » TAT-1, the first submarine transatlantic telephone cable system, is inaugurated.
December 4 » The Million Dollar Quartet (Elvis Presley, Jerry Lee Lewis, Carl Perkins, and Johnny Cash) get together at Sun Studio for the first and last time.
December 19 » Irish-born physician John Bodkin Adams is arrested in connection with the suspicious deaths of more than 160 patients. Eventually he is convicted only of minor charges.
When copying data from this family tree, please include a reference to the origin: Irene Jolanda van der Meulen, "Family tree Ype Ypes (waaronder van der Meulen)", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ype-ypes/I3420.php : accessed January 26, 2026), "Hessel Pieter Zondervan (1956-)".
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