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
April 12 » SMSZrínyi, one of the last pre-dreadnought battleships built by the Austro-Hungarian Navy, is launched.
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.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
August 22 » Korea is annexed by Japan with the signing of the Japan–Korea Treaty of 1910, beginning a period of Japanese rule of Korea that lasted until the end of World War II.
October 5 » In a revolution in Portugal the monarchy is overthrown and a republic is declared.
October 15 » Airship America is launched from New Jersey in the first attempt to cross the Atlantic by a powered aircraft.
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
January 1 » A "Law for the Prevention of Genetically Diseased Offspring" comes into effect in Nazi Germany.
January 26 » German–Polish Non-Aggression Pact is signed.
April 12 » The strongest surface wind gust in the world at the time of 231mph, is measured on the summit of Mount Washington, New Hampshire. It has since been surpassed.
June 30 » The Night of the Long Knives, Adolf Hitler's violent purge of his political rivals in Germany, takes place.
July 5 » "Bloody Thursday": Police open fire on striking longshoremen in San Francisco.
August 2 » Gleichschaltung: Adolf Hitler becomes Führer of Germany following the death of President Paul von Hindenburg.
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 25, 2026), "Pieter Boorsma (1910-)".
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