The temperature on May 17, 1910 was between 11.4 °C and 23.2 °C and averaged 16.9 °C. There was 5.3 hours of sunshine (34%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. 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.
June 2 » Charles Rolls, a co-founder of Rolls-Royce Limited, becomes the first man to make a non-stop double crossing of the English Channel by plane.
October 1 » A large bomb destroys the Los Angeles Times building, killing 21.
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 23 » Johan Alfred Ander becomes the last person to be executed in Sweden.
December 3 » Modern neon lighting is first demonstrated by Georges Claude at the Paris Motor Show.
Day of marriage July 12, 1935
The temperature on July 12, 1935 was between 14.0 °C and 26.7 °C and averaged 20.9 °C. There was 13.8 hours of sunshine (84%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I2832.php : accessed February 5, 2026), "Aaltje Middel (1910-)".
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