The temperature on July 16, 1917 was between 11.8 °C and 20.2 °C and averaged 15.8 °C. There was 8.6 hours of sunshine (53%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. 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.
April 9 » World War I: The Battle of Arras: The battle begins with Canadian Corps executing a massive assault on Vimy Ridge.
April 12 » World War I: Canadian forces successfully complete the taking of Vimy Ridge from the Germans.
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).
October 4 » World War I: The Battle of Broodseinde is fought between the British and German armies in Flanders.
November 24 » In Milwaukee, nine members of the Milwaukee Police Department are killed by a bomb, the most deaths in a single event in U.S. police history until the September 11 attacks in 2001.
December 11 » World War I: British General Edmund Allenby enters Jerusalem on foot and declares martial law.
When copying data from this family tree, please include a reference to the origin: Monica Slump, "Family tree family Slump - Oostwald - Claasen - Geervliet", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-slump/I9.php : accessed January 30, 2026), "Johannes Nicolaas "Joop" Oostwald (1917-)".
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