The temperature on September 2, 1917 was between 10.2 °C and 17.4 °C and averaged 14.1 °C. There was 5.1 mm of rain. There was 5.4 hours of sunshine (40%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. 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 5 » The current constitution of Mexico is adopted, establishing a federal republic with powers separated into independent executive, legislative, and judicial branches.
February 24 » World War I: The U.S. ambassador Walter Hines Page to the United Kingdom is given the Zimmermann Telegram, in which Germany pledges to ensure the return of New Mexico, Texas, and Arizona to Mexico if Mexico declares war on the United States.
September 26 » World War I: The Battle of Polygon Wood begins.
October 25 » Old Style date of the October Revolution in Russia.
November 7 » World War I: Third Battle of Gaza ends: British forces capture Gaza from the Ottoman Empire.
November 28 » The Estonian Provincial Assembly declares itself the sovereign power of Estonia.
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/I112862.php : accessed February 17, 2026), "Jan de Boer (1917-< 2016)".
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