The temperature on June 25, 1910 was between 12.8 °C and 18.3 °C and averaged 14.8 °C. There was 3.8 mm of rain. There was 4.1 hours of sunshine (24%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 13 » The first public radio broadcast takes place; a live performance of the operas Cavalleria rusticana and Pagliacci are sent out over the airwaves from the Metropolitan Opera House in New York.
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.
March 28 » Henri Fabre becomes the first person to fly a seaplane, the Fabre Hydravion, after taking off from a water runway near Martigues, France.
May 6 » George V becomes King of Great Britain, Ireland, and many overseas territories, on the death of his father, Edward VII.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
December 3 » Modern neon lighting is first demonstrated by Georges Claude at the Paris Motor Show.
When copying data from this family tree, please include a reference to the origin: A.W.M. (Dolf) van der Valk, "Family tree Van der Valk", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-der-valk/I40214.php : accessed June 13, 2024), "Henrica Johanna Bergkamp (1910-)".
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