The temperature on September 18, 1910 was between 9.1 °C and 17.7 °C and averaged 13.3 °C. There was 2.4 hours of sunshine (19%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
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.
November 7 » The first air freight shipment (from Dayton, Ohio, to Columbus, Ohio) is undertaken by the Wright brothers and department store owner Max Moorehouse.
November 20 » Mexican Revolution: Francisco I. Madero issues the Plan de San Luis Potosí, denouncing Mexican President Porfirio Díaz, calling for a revolution to overthrow the government of Mexico, effectively starting the Mexican Revolution.
When copying data from this family tree, please include a reference to the origin: C.M.W.Vork-Drenth, "Family tree Drenth", database, Genealogy Online (https://www.genealogieonline.nl/drenth_stamboom/I4286.php : accessed February 23, 2026), "Gerhardus Bernardus Perk (1910-)".
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