The temperature on August 26, 1955 was between 14.0 °C and 24.1 °C and averaged 18.1 °C. There was 1.3 mm of rain during 0.9 hours. There was 5.1 hours of sunshine (36%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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.
March 2 » Norodom Sihanouk, king of Cambodia, abdicates the throne in favor of his father, Norodom Suramarit.
July 9 » The Russell–Einstein Manifesto calls for a reduction of the risk of nuclear warfare.
September 16 » The military coup to unseat President Juan Perón of Argentina is launched at midnight.
November 1 » The bombing of United Airlines Flight 629 occurs near Longmont, Colorado, killing all 39 passengers and five crew members aboard the Douglas DC-6B airliner.
December 31 » General Motors becomes the first U.S. corporation to make over US$1 billion in a year.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I30038.php : accessed October 8, 2026), "Irma Amelberga de Schepper (1911-1955)".
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