January 5 » Dreyfus affair: French army officer Alfred Dreyfus is stripped of his rank and sentenced to life imprisonment on Devil's Island.
January 12 » The National Trust is founded in the United Kingdom.
April 3 » The trial in the libel case brought by Oscar Wilde begins, eventually resulting in his imprisonment on charges of homosexuality.
May 25 » Playwright, poet and novelist Oscar Wilde is convicted of "committing acts of gross indecency with other male persons" and sentenced to serve two years in prison.
October 22 » In Paris an express train derails after overrunning the buffer stop, crossing almost 30 metres (100ft) of concourse before crashing through a wall and falling 10 metres (33ft) to the road below.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
Day of marriage August 13, 1920
The temperature on August 13, 1920 was between 8.6 °C and 20.9 °C and averaged 14.7 °C. There was 9.4 hours of sunshine (63%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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 10 » The Treaty of Versailles takes effect, officially ending World War I.
January 19 » The American Civil Liberties Union (ACLU) is founded.
February 2 » The Tartu Peace Treaty is signed between Estonia and Russia.
May 5 » Authorities arrest Nicola Sacco and Bartolomeo Vanzetti for alleged robbery and murder.
July 15 » The Polish Parliament establishes Silesian Voivodeship before the Polish-German plebiscite.
December 22 » The GOELRO economic development plan is adopted by the 8th Congress of Soviets of the Russian SFSR.
Day of death November 11, 1959
The temperature on November 11, 1959 was between 0.6 °C and 7.0 °C and averaged 3.6 °C. There was 2.0 mm of rain during 1.9 hours. There was 0.1 hours of sunshine (1%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 30 » MSHans Hedtoft, said to be the safest ship afloat and "unsinkable" like the RMSTitanic, strikes an iceberg on her maiden voyage and sinks, killing all 95 aboard.
February 2 » Nine experienced ski hikers in the northern Ural Mountains in the Soviet Union die under mysterious circumstances.
February 28 » Discoverer 1, an American spy satellite that is the first object intended to achieve a polar orbit, is launched but fails to achieve orbit.
April 25 » The Saint Lawrence Seaway, linking the North American Great Lakes and the Atlantic Ocean, officially opens to shipping.
September 12 » The Soviet Union launches a large rocket, Lunik II, at the moon.
December 13 » Archbishop Makarios III becomes the first President of Cyprus.
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/I203318.php : accessed October 15, 2026), "Aaltje Wiersum (1895-1959)".
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