The temperature on April 20, 1910 was between 5.6 °C and 11.9 °C and averaged 8.4 °C. There was 1.9 mm of rain. There was 9.4 hours of sunshine (66%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 1 » Captain David Beatty is promoted to Rear admiral, and becomes the youngest admiral in the Royal Navy (except for Royal family members) since Horatio Nelson.
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.
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 10 » The date of Thomas A. Davis' opening of the San Diego Army and Navy Academy, although the official founding date is November 23, 1910.
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.
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The Family tree Doppenberg publication was prepared by Henk Doppenberg (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Henk Doppenberg, "Family tree Doppenberg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-doppenberg/I2641.php : accessed March 12, 2026), "Rijkent Doppenberg (1910-)".
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