April 14 » The Pan-American Union is founded by the First International Conference of American States in Washington, D.C.
July 3 » Idaho is admitted as the 43rd U.S. state.
July 10 » Wyoming is admitted as the 44th U.S. state.
September 12 » Salisbury, Rhodesia, is founded.
September 24 » The Church of Jesus Christ of Latter-day Saints officially renounces polygamy.
November 23 » King William III of the Netherlands dies without a male heir and a special law is passed to allow his daughter Princess Wilhelmina to succeed him.
Day of marriage May 11, 1918
The temperature on May 11, 1918 was between 3.4 °C and 14.5 °C and averaged 9.9 °C. There was 0.1 mm of rain. There was 0.7 hours of sunshine (5%). 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.
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 17 » Finnish Civil War: The first serious battles take place between the Red Guards and the White Guard.
January 31 » A series of accidental collisions on a misty Scottish night leads to the loss of two Royal Navy submarines with over a hundred lives, and damage to another five British warships.
May 28 » The Azerbaijan Democratic Republic and the First Republic of Armenia declare their independence.
November 3 » Austria-Hungary enters into the Armistice of Villa Giusti with the Allies, and the Habsburg-ruled empire dissolves.
November 18 » Latvia declares its independence from Russia.
December 28 » Constance Markievicz, while detained in Holloway prison, became the first woman to be elected MP to the British House of Commons.
Day of death October 27, 1926
The temperature on October 27, 1926 was between -1.2 °C and 10.3 °C and averaged 4.4 °C. There was 4.3 hours of sunshine (43%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
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/I188937.php : accessed October 14, 2026), "Eelke Boonstra (1890-1926)".
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