The temperature on May 20, 1910 was between 14.6 °C and 29.8 °C and averaged 21.8 °C. There was 11.4 hours of sunshine (72%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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.
April 12 » SMSZrínyi, one of the last pre-dreadnought battleships built by the Austro-Hungarian Navy, is launched.
April 28 » Frenchman Louis Paulhan wins the 1910 London to Manchester air race, the first long-distance aeroplane race in England.
June 19 » The first Father's Day is celebrated in Spokane, Washington.
October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
October 14 » English aviator Claude Grahame-White lands his aircraft on Executive Avenue near the White House in Washington, D.C.
When copying data from this family tree, please include a reference to the origin: Joke Koster, "Family tree Griffioen Jellema Friese Adel", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-griffioen-koster/I543633.php : accessed April 24, 2024), "Romke Feenstra (1910-)".
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