March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
March 31 » Malolos, capital of the First Philippine Republic, is captured by American forces.
June 12 » New Richmond tornado: The eighth deadliest tornado in U.S. history kills 117 people and injures around 200.
July 26 » Ulises Heureaux, the 27th President of the Dominican Republic, is assassinated.
July 29 » The First Hague Convention is signed.
September 13 » Henry Bliss is the first person in the United States to be killed in an automobile accident.
Day of marriage August 18, 1923
The temperature on August 18, 1923 was between 12.3 °C and 18.4 °C and averaged 14.9 °C. There was 15.8 mm of rain. There was 4.9 hours of sunshine (34%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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.
April 18 » Yankee Stadium: "The House that Ruth Built" opens.
June 18 » Checker Taxi puts its first taxi on the streets.
August 2 » Vice President Calvin Coolidge becomes U.S. President upon the death of President Warren G. Harding.
October 6 » The Turkish National Movement enters Constantinople.
October 16 » The Walt Disney Company is founded.
October 22 » The royalist Leonardopoulos–Gargalidis coup d'état attempt fails in Greece, discrediting the monarchy and paving the way for the establishment of the Second Hellenic Republic.
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/I109579.php : accessed February 23, 2026), "Sietze van der Heide (1899-????)".
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