The temperature on September 2, 1911 was between 9.5 °C and 29.2 °C and averaged 19.3 °C. There was 11.2 hours of sunshine (82%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
January 29 » Mexican Revolution: Mexicali is captured by the Mexican Liberal Party, igniting the Magonista rebellion of 1911.
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
September 24 » His Majesty's Airship No. 1, Britain's first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
Day of marriage November 17, 1937
The temperature on November 17, 1937 was between -3.2 °C and 2.6 °C and averaged -0.2 °C. There was 6.9 hours of sunshine (79%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Coos van Spijk, "Family tree of Spijk and her many ancestors", database, Genealogy Online (https://www.genealogieonline.nl/van-spijk-stamboom/I97293.php : accessed January 27, 2026), "Elisabeth Juliana de Vreugd (1911-)".
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