The temperature on August 9, 1910 was between 14.3 °C and 22.2 °C and averaged 17.8 °C. There was 1.4 mm of rain. There was 10.5 hours of sunshine (70%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 13 » The first public radio broadcast takes place; a live performance of the operas Cavalleria rusticana and Pagliacci are sent out over the airwaves from the Metropolitan Opera House in New York.
May 31 » The South Africa Act comes into force, establishing the Union of South Africa.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
September 22 » The Duke of York's Picture House opens in Brighton, now the oldest continually operating cinema in Britain.
October 15 » Airship America is launched from New Jersey in the first attempt to cross the Atlantic by a powered aircraft.
October 22 » Hawley Harvey Crippen (the first felon to be arrested with the help of radio) is convicted of poisoning his wife.
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/I21225.php : accessed February 3, 2026), "Aletta Johanna de Beer (1910-)".
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