January 12 » The National Trust is founded in the United Kingdom.
January 13 » First Italo-Ethiopian War: the war's opening battle, the Battle of Coatit, occurs; it is an Italian victory.
March 22 » Before the Société pour L'Encouragement à l'Industrie, brothers Auguste and Louis Lumière demonstrate movie film technology publicly for the first time.
June 20 » The Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.
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.
December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
Day of marriage April 12, 1923
The temperature on April 12, 1923 was between 8.1 °C and 22.7 °C and averaged 14.8 °C. There was 1.5 mm of rain. There was 7.4 hours of sunshine (54%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. 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.
January 9 » Juan de la Cierva makes the first autogyro flight.
April 15 » Insulin becomes generally available for use by people with diabetes.
April 18 » Yankee Stadium: "The House that Ruth Built" opens.
July 24 » The Treaty of Lausanne, settling the boundaries of modern Turkey, is signed in Switzerland by Greece, Bulgaria and other countries that fought in World War I.
September 29 » The British Mandate for Palestine takes effect, creating Mandatory Palestine.
October 13 » Ankara becomes the capital of Turkey.
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/I80180.php : accessed October 24, 2026), "Ytje van der Meer (1895-????)".
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