The temperature on July 31, 1955 was between 11.8 °C and 18.4 °C and averaged 15.7 °C. There was 1.1 hours of sunshine (7%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
May 5 » The General Treaty, by which France, Britain and the United States recognize the sovereignty of West Germany, comes into effect.
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.
June 14 » Chile becomes a signatory to the Buenos Aires copyright treaty.
September 20 » The Treaty on Relations between the USSR and the GDR is signed.
November 15 » The first part of Saint Petersburg Metro is opened.
December 20 » Cardiff is proclaimed the capital city of Wales, United Kingdom.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I8305.php : accessed January 25, 2026), "Johannes Cornelis Dreyer (1908-1955)".
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