The temperature on March 19, 1910 was between -1.8 °C and 8.3 °C and averaged 3.0 °C. There was 0.6 mm of rain. There was 8.6 hours of sunshine (71%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
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.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
September 12 » Premiere performance of Gustav Mahler's Symphony No. 8 in Munich (with a chorus of 852 singers and an orchestra of 171 players. Mahler's rehearsal assistant conductor was Bruno Walter).
October 15 » Airship America is launched from New Jersey in the first attempt to cross the Atlantic by a powered aircraft.
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.
November 21 » Sailors on board Brazil's warships including the Minas Gerais, São Paulo, and Bahia, violently rebel in what is now known as the Revolta da Chibata (Revolt of the Lash).
Day of marriage May 9, 1934
The temperature on May 9, 1934 was between 6.6 °C and 15.9 °C and averaged 10.2 °C. There was 5.5 mm of rain during 7.8 hours. There was 3.7 hours of sunshine (24%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I165536.php : accessed October 21, 2026), "Pieter Boorsma (1910-)".
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