The temperature on March 21, 1910 was between -2.9 °C and 10.4 °C and averaged 3.8 °C. There was 10.2 hours of sunshine (84%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
June 19 » The first Father's Day is celebrated in Spokane, Washington.
September 22 » The Duke of York's Picture House opens in Brighton, now the oldest continually operating cinema in Britain.
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.
October 15 » Airship America is launched from New Jersey in the first attempt to cross the Atlantic by a powered aircraft.
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: Coos van Spijk, "Family tree of Spijk and her many ancestors", database, Genealogy Online (https://www.genealogieonline.nl/van-spijk-stamboom/I59167.php : accessed January 14, 2026), "Grietje Jacoba Sennema (1910-)".
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