The temperature on December 13, 1914 was between 3.6 °C and 9.0 °C and averaged 6.5 °C. There was 3.7 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
June 28 » Archduke Franz Ferdinand of Austria and his wife Sophie are assassinated in Sarajevo; this is the casus belli of World War I.
July 4 » The funeral of Archduke Franz Ferdinand and his wife Sophie takes place in Vienna, six days after their assassinations in Sarajevo.
August 24 » World War I: The Battle of Cer ends as the first Allied victory in the war.
August 28 » World War I: The Royal Navy defeats the German fleet in the Battle of Heligoland Bight.
September 1 » St. Petersburg, Russia, changes its name to Petrograd.
December 24 » World War I: The "Christmas truce" begins.
Day of marriage May 20, 1937
The temperature on May 20, 1937 was between 12.2 °C and 22.5 °C and averaged 17.1 °C. There was 9.6 hours of sunshine (60%). The average windspeed was 3 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: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I133104.php : accessed October 14, 2026), "Egbertje van der Sluis (1914-)".
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