The temperature on April 21, 1917 was between 3.4 °C and 9.8 °C and averaged 5.8 °C. There was 3.5 hours of sunshine (25%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the north-northwest. 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.
February 23 » First demonstrations in Saint Petersburg, Russia. The beginning of the February Revolution (March 8 in the Gregorian calendar).
May 21 » The Great Atlanta fire of 1917 causes $5.5million in damages, destroying some 300 acres including 2,000 homes, businesses and churches, displacing about 10,000 people but leading to only one fatality (due to heart attack).
August 6 » World War I: Battle of Mărășești between the Romanian and German armies begins.
October 15 » World War I: Dutch dancer Mata Hari is executed by France for espionage.
December 11 » World War I: British General Edmund Allenby enters Jerusalem on foot and declares martial law.
December 12 » Father Edward J. Flanagan founds Boys Town as a farm village for wayward boys.
When copying data from this family tree, please include a reference to the origin: Y. Slobbé, "Family tree Slobbé", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-slobbe/R12461.php : accessed February 24, 2026), "Auke Boonstra (1894-????)".
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