The temperature on August 21, 1910 was between 14.2 °C and 20.9 °C and averaged 17.4 °C. There was 11.0 hours of sunshine (77%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. 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.
May 11 » An act of the U.S. Congress establishes Glacier National Park in Montana.
June 19 » The first Father's Day is celebrated in Spokane, Washington.
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.
November 14 » Aviator Eugene Burton Ely performs the first takeoff from a ship in Hampton Roads, Virginia, taking off from a makeshift deck on the USS Birmingham in a Curtiss pusher.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I132399.php : accessed January 19, 2026), "Johannes Marinus Spiljard (1910-)".
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