The temperature on June 5, 1910 was between 12.7 °C and 24.5 °C and averaged 19.2 °C. There was 12.1 hours of sunshine (73%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
April 16 » The oldest existing indoor ice hockey arena still used for the sport in the 21st century, Boston Arena, opens for the first time.
May 11 » An act of the U.S. Congress establishes Glacier National Park in Montana.
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.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
September 20 » The ocean liner SSFrance, later known as the "Versailles of the Atlantic", is launched.
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.
Day of marriage May 22, 1936
The temperature on May 22, 1936 was between 2.6 °C and 15.4 °C and averaged 9.8 °C. There was 0.9 mm of rain during 1.3 hours. There was 9.8 hours of sunshine (61%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-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/I140577.php : accessed October 14, 2026), "Hielke Zwart (1910-)".
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