March 20 » Prime Minister of the German Empire Otto von Bismarck is dismissed by Emperor Wilhelm II.
April 7 » Completion of the first Lake Biwa Canal.
April 14 » The Pan-American Union is founded by the First International Conference of American States in Washington, D.C.
October 11 » In Washington, D.C., the Daughters of the American Revolution is founded.
October 12 » Uddevalla Suffrage Association is formed.
December 15 » Hunkpapa Lakota leader Sitting Bull is killed on Standing Rock Indian Reservation, leading to the Wounded Knee Massacre.
Day of marriage August 26, 1915
The temperature on August 26, 1915 was between 8.3 °C and 22.2 °C and averaged 15.4 °C. There was 0.1 mm of rain. There was 10.8 hours of sunshine (77%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
May 22 » Lassen Peak erupts with a powerful force, the only volcano besides Mount St. Helens to erupt in the contiguous U.S. during the 20th century.
June 5 » Denmark amends its constitution to allow women's suffrage.
July 24 » The passenger ship SSEastland capsizes while tied to a dock in the Chicago River. A total of 844 passengers and crew are killed in the largest loss of life disaster from a single shipwreck on the Great Lakes.
August 27 » Attempted assassination of Bishop Patrick Heffron, bishop of the Diocese of Winona by Rev. Louis M. Lesches.
December 20 » World War I: The last Australian troops are evacuated from Gallipoli.
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/I60674.php : accessed October 13, 2026), "Janke Boersma (1890-????)".
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