The temperature on April 13, 1917 was between 1.2 °C and 9.0 °C and averaged 4.3 °C. There was 1.3 mm of rain. There was 7.2 hours of sunshine (52%). The average windspeed was 4 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.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I526248.php : accessed March 4, 2026), "Grietje Roll (± 1897-????)".
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