The temperature on August 11, 1955 was between 14.1 °C and 25.2 °C and averaged 19.8 °C. There was 10.6 hours of sunshine (71%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
March 2 » Norodom Sihanouk, king of Cambodia, abdicates the throne in favor of his father, Norodom Suramarit.
May 9 » Cold War: West Germany joins NATO.
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.
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 5 » The American Federation of Labor and the Congress of Industrial Organizations merge and form the AFL–CIO.
When copying data from this family tree, please include a reference to the origin: Sheldon Sickler, "Sickler Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/sickler-family-tree/P13309.php : accessed May 3, 2025), "Upten Umphenner (± 1871-1955)".
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