The temperature on April 4, 1955 was between 6.1 °C and 12.4 °C and averaged 8.8 °C. There was 1.5 mm of rain during 3.3 hours. There was 2.5 hours of sunshine (19%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 7 » Contralto Marian Anderson becomes the first person of color to perform at the Metropolitan Opera in Giuseppe Verdi's Un ballo in maschera.
April 12 » The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective.
May 18 » Operation Passage to Freedom, the evacuation of 310,000 Vietnamese civilians, soldiers and non-Vietnamese members of the French Army from communist North Vietnam to South Vietnam following the end of the First Indochina War, ends.
May 25 » First ascent of Mount Kangchenjunga: A British expedition led by Charles Evans, Joe Brown and George Band reaches the summit of the third-highest mountain in the world (8,586 meters); Norman Hardie and Tony Streather join them the following day.
June 14 » Chile becomes a signatory to the Buenos Aires copyright treaty.
December 5 » E. D. Nixon and Rosa Parks lead the Montgomery Bus Boycott.
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/I199480.php : accessed January 14, 2026), "N.N. Embregts (1955-1955)".
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