The temperature on June 30, 1917 was between 13.6 °C and 17.2 °C and averaged 15.0 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. 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 26 » World War I: First Battle of Gaza: British troops are halted after 17,000 Turks block their advance.
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 7 » The Gregorian calendar date of the October Revolution, which gets its name from the Julian calendar date of 25 October. On this date in 1917, the Bolsheviks storm the Winter Palace.
December 7 » World War I: The United States declares war on Austria-Hungary.
December 11 » World War I: British General Edmund Allenby enters Jerusalem on foot and declares martial law.
December 15 » World War I: An armistice between Russia and the Central Powers is signed.
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/I268178.php : accessed March 4, 2026), "Hendrik Snijder (± 1891-????)".
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