The temperature on June 20, 1955 was between 14.3 °C and 18.1 °C and averaged 15.7 °C. There was 0.2 mm of rain during 0.6 hours. There was -0.1 hours of sunshine (0%). The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 2 » Following the assassination of the Panamanian president José Antonio Remón Cantera, his deputy, José Ramón Guizado, takes power, but is quickly deposed after his involvement in Cantera's death is discovered.
April 12 » The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective.
May 25 » In the United States, a night-time F5 tornado strikes the small city of Udall, Kansas, killing 80 and injuring 273. It is the deadliest tornado to ever occur in the state and the 23rd deadliest in the U.S.
July 15 » Eighteen Nobel laureates sign the Mainau Declaration against nuclear weapons, later co-signed by thirty-four others.
September 16 » The military coup to unseat President Juan Perón of Argentina is launched at midnight.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I231006.php : accessed January 16, 2026), "Wilhelmus Cornelis Maria Jacobs (1955-)".
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