The temperature on January 19, 1955 was between -4.3 °C and 2.1 °C and averaged -0.8 °C. There was 6.6 hours of sunshine (79%). The almost cloudless was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
April 12 » The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective.
June 14 » Chile becomes a signatory to the Buenos Aires copyright treaty.
June 16 » In a futile effort to topple Argentine President Juan Perón, rogue aircraft pilots of the Argentine Navy drop several bombs upon an unarmed crowd demonstrating in favor of Perón in Buenos Aires, killing 364 and injuring at least 800. At the same time on the ground, some soldiers attempt to stage a coup but are suppressed by loyal forces.
November 5 » After being destroyed in World War II, the rebuilt Vienna State Opera reopens with a performance of Beethoven's Fidelio.
November 23 » The Cocos Islands are transferred from the control of the United Kingdom to that of Australia.
December 14 » Albania, Austria, Bulgaria, Cambodia, Ceylon, Finland, Hungary, Ireland, Italy, Jordan, Laos, Libya, Nepal, Portugal, Romania and Spain join the United Nations through United Nations Security Council Resolution 109.
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/I189663.php : accessed February 22, 2026), "Adriana Maria Couweleers (± 1881-1955)".
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