The temperature on March 20, 1910 was between -3.2 °C and 9.2 °C and averaged 2.4 °C. There was 0.1 mm of rain. There was 4.4 hours of sunshine (36%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-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.
March 8 » French aviator Raymonde de Laroche becomes the first woman to receive a pilot's license.
April 12 » SMSZrínyi, one of the last pre-dreadnought battleships built by the Austro-Hungarian Navy, is launched.
May 6 » George V becomes King of Great Britain, Ireland, and many overseas territories, on the death of his father, Edward VII.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
November 23 » Johan Alfred Ander becomes the last person to be executed in Sweden.
When copying data from this family tree, please include a reference to the origin: Ronald Delfgauw, "Family tree Delfgauw", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-delfgauw/R652.php : accessed March 7, 2026), "Pietertje van der Kemp (1910-1973)".
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