The temperature on July 17, 1917 was between 9.9 °C and 21.9 °C and averaged 16.5 °C. There was 11.6 hours of sunshine (71%). The average windspeed was 2 Bft (weak wind) 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.
January 22 » World War I: President Woodrow Wilson of the still-neutral United States calls for "peace without victory" in Europe.
July 20 » World War I: The Corfu Declaration, which leads to the creation of the post-war Kingdom of Yugoslavia, is signed by the Yugoslav Committee and Kingdom of Serbia.
July 31 » World War I: The Battle of Passchendaele begins near Ypres in West Flanders, Belgium.
October 4 » World War I: The Battle of Broodseinde is fought between the British and German armies in Flanders.
October 31 » World War I: Battle of Beersheba: The "last successful cavalry charge in history".
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: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I2901.php : accessed January 22, 2026), "Jan Montizaan (1917-1917)".
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