The temperature on August 25, 1917 was between 8.7 °C and 18.5 °C and averaged 14.4 °C. There was 1.0 mm of rain. There was 7.0 hours of sunshine (50%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the 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 17 » The United States pays Denmark $25 million for the Virgin Islands.
March 2 » The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship.
March 25 » The Georgian Orthodox Church restores its autocephaly abolished by Imperial Russia in 1811.
April 12 » World War I: Canadian forces successfully complete the taking of Vimy Ridge from the Germans.
November 2 » The Balfour Declaration proclaims British support for the "establishment in Palestine of a national home for the Jewish people" with the clear understanding "that nothing shall be done which may prejudice the civil and religious rights of existing non-Jewish communities".
November 28 » The Estonian Provincial Assembly declares itself the sovereign power of Estonia.
Day of death July 12, 1920
The temperature on July 12, 1920 was between 13.6 °C and 26.3 °C and averaged 18.8 °C. There was 11.2 mm of rain. There was 4.8 hours of sunshine (29%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 16 » Zeta Phi Beta Sorority Incorporated was founded on the campus of Howard University.
May 7 » Kiev Offensive: Polish troops led by Józef Piłsudski and Edward Rydz-Śmigły and assisted by a symbolic Ukrainian force capture Kiev only to be driven out by the Red Army counter-offensive a month later.
May 7 » Morecambe Football Club was founded during a meeting at the West View Hotel on the town's promenade.
August 26 » The 19th amendment to United States Constitution takes effect, giving women the right to vote.
August 31 » Polish–Soviet War: A decisive Polish victory in the Battle of Komarów.
December 22 » The GOELRO economic development plan is adopted by the 8th Congress of Soviets of the Russian SFSR.
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/I217527.php : accessed October 3, 2026), "Geeske Hamersma (1917-1920)".
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