The temperature on May 3, 1910 was between 0.8 °C and 12.1 °C and averaged 6.6 °C. There was 0.2 mm of rain. There was 3.3 hours of sunshine (22%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
August 22 » Korea is annexed by Japan with the signing of the Japan–Korea Treaty of 1910, beginning a period of Japanese rule of Korea that lasted until the end of World War II.
September 12 » Premiere performance of Gustav Mahler's Symphony No. 8 in Munich (with a chorus of 852 singers and an orchestra of 171 players. Mahler's rehearsal assistant conductor was Bruno Walter).
October 5 » In a revolution in Portugal the monarchy is overthrown and a republic is declared.
October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
October 11 » Piloted by Arch Hoxsey, Theodore Roosevelt becomes the first U.S. president to fly in an airplane.
When copying data from this family tree, please include a reference to the origin: Hans Groothelm, "Family tree Groothelm", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-groothelm/I233.php : accessed October 8, 2026), "Marie Rosa Desgroseilliers (1910-1990)".
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