The temperature on May 11, 1917 was between 6.3 °C and 24.9 °C and averaged 16.6 °C. There was 12.2 hours of sunshine (79%). 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.
May 18 » World War I: The Selective Service Act of 1917 is passed, giving the President of the United States the power of conscription.
May 21 » The Great Atlanta fire of 1917 causes $5.5million in damages, destroying some 300 acres including 2,000 homes, businesses and churches, displacing about 10,000 people but leading to only one fatality (due to heart attack).
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.
November 26 » The Manchester Guardian publishes the 1916 secret Sykes-Picot Agreement between the United Kingdom and France.
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.
November 28 » The Estonian Provincial Assembly declares itself the sovereign power of Estonia.
Day of marriage July 1, 1938
The temperature on July 1, 1938 was between 8.5 °C and 17.0 °C and averaged 13.3 °C. There was 0.1 hours of sunshine (1%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
May 26 » In the United States, the House Un-American Activities Committee begins its first session.
June 25 » Dr. Douglas Hyde is inaugurated as the first President of Ireland.
September 30 » The League of Nations unanimously outlaws "intentional bombings of civilian populations".
October 31 » Great Depression: In an effort to restore investor confidence, the New York Stock Exchange unveils a fifteen-point program aimed to upgrade protection for the investing public.
November 16 » LSD is first synthesized by Albert Hofmann from ergotamine at the Sandoz Laboratories in Basel.
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/I486185.php : accessed February 6, 2026), "Grietje Rozema (1917-< 2016)".
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