The temperature on August 9, 1910 was between 14.3 °C and 22.2 °C and averaged 17.8 °C. There was 1.4 mm of rain. There was 10.5 hours of sunshine (70%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
April 16 » The oldest existing indoor ice hockey arena still used for the sport in the 21st century, Boston Arena, opens for the first time.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
August 29 » The Japan–Korea Treaty of 1910, also known as the Japan–Korea Annexation Treaty, becomes effective, officially starting the period of Japanese rule in Korea.
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.
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.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I21225.php : accessed February 2, 2026), "Aletta Johanna de Beer (1910-)".
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