The temperature on December 22, 1917 was between -7.3 °C and 1.5 °C and averaged -2.1 °C. There was 6.7 hours of sunshine (87%). The average windspeed was 2 Bft (weak wind) and was prevailing from the 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 2 » The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship.
March 4 » Jeannette Rankin of Montana becomes the first female member of the United States House of Representatives.
May 27 » Pope Benedict XV promulgates the 1917 Code of Canon Law, the first comprehensive codification of Catholic canon law in the legal history of the Catholic Church.
August 28 » Ten Suffragettes are arrested while picketing the White House.
November 5 » October Revolution: Lenin calls for the October Revolution.
November 26 » The National Hockey League is formed, with the Montreal Canadiens, Montreal Wanderers, Ottawa Senators, Quebec Bulldogs, and Toronto Arenas as its first teams.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I100417.php : accessed October 21, 2026), "Grietje Roelfie "Greta Ruth" Nienhuis (1917-± 1993)".
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