The temperature on June 11, 1917 was between 12.4 °C and 27.0 °C and averaged 19.2 °C. There was 1.6 mm of rain. There was 11.3 hours of sunshine (68%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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.
March 2 » The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship.
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).
June 7 » World War I: Battle of Messines: Allied soldiers detonate a series of mines underneath German trenches at Messines Ridge, killing 10,000 German troops.
November 25 » World War I: German forces defeat Portuguese army of about 1,200 at Negomano on the border of modern-day Mozambique and Tanzania.
November 28 » The Estonian Provincial Assembly declares itself the sovereign power of Estonia.
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: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I147706.php : accessed March 16, 2026), "Wilhelmus van Gijzen (1917-)".
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