April 3 » The trial in the libel case brought by Oscar Wilde begins, eventually resulting in his imprisonment on charges of homosexuality.
June 20 » The Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.
June 27 » The inaugural run of the Baltimore and Ohio Railroad's Royal Blue from Washington, D.C., to New York City, the first U.S. passenger train to use electric locomotives.
August 31 » German Count Ferdinand von Zeppelin patents his navigable balloon.
November 5 » George B. Selden is granted the first U.S. patent for an automobile.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
Day of marriage May 22, 1915
The temperature on May 22, 1915 was between 13.2 °C and 25.8 °C and averaged 19.4 °C. There was 10.4 hours of sunshine (65%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-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.
January 26 » The Rocky Mountain National Park is established by an act of the U.S. Congress.
February 19 » World War I: The first naval attack on the Dardanelles begins when a strong Anglo-French task force bombards Ottoman artillery along the coast of Gallipoli.
April 24 » The arrest of 250 Armenian intellectuals and community leaders in Istanbul marks the beginning of the Armenian Genocide.
June 5 » Denmark amends its constitution to allow women's suffrage.
June 21 » The U.S. Supreme Court hands down its decision in Guinn v. United States 238 US 347 1915, striking down Oklahoma grandfather clause legislation which had the effect of denying the right to vote to blacks.
October 13 » First World War: The Battle of the Hohenzollern Redoubt marks the end of the Battle of Loos.
Day of death June 12, 1924
The temperature on June 12, 1924 was between 8.6 °C and 17.8 °C and averaged 13.3 °C. There was 7.6 mm of rain. There was 4.3 hours of sunshine (26%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 3 » The Free State of Fiume is annexed by the Kingdom of Italy.
March 16 » In accordance with the Treaty of Rome, Fiume becomes annexed as part of Italy.
April 1 » Adolf Hitler is sentenced to five years imprisonment for his participation in the "Beer Hall Putsch" but spends only nine months in jail.
May 21 » University of Chicago students Richard Loeb and Nathan Leopold, Jr. murder 14-year-old Bobby Franks in a "thrill killing".
June 10 » Fascists kidnap and kill Italian Socialist leader Giacomo Matteotti in Rome.
December 1 » The National Hockey League's first United States-based franchise, the Boston Bruins, played their first game in league play at home, at the still-extant Boston Arena indoor hockey facility.
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/I74913.php : accessed October 11, 2026), "Klaaske Postma (1895-1924)".
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