February 16 » Iceland's first football club, Knattspyrnufélag Reykjavíkur, is founded.
March 27 » Emilio Aguinaldo leads Filipino forces for the only time during the Philippine–American War at the Battle of Marilao River.
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.
July 26 » Ulises Heureaux, the 27th President of the Dominican Republic, is assassinated.
November 2 » The Boers begin their 118-day siege of British-held Ladysmith during the Second Boer War.
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.
January 9 » Lithuanian residents of the Memel Territory rebel against the League of Nations' decision to leave the area as a mandated region under French control.
January 11 » Occupation of the Ruhr: Troops from France and Belgium occupy the Ruhr area to force Germany to make its World War I reparation payments.
August 2 » Vice President Calvin Coolidge becomes U.S. President upon the death of President Warren G. Harding.
September 12 » Southern Rhodesia, today called Zimbabwe, is annexed by the United Kingdom.
October 15 » The German Rentenmark is introduced in Germany to counter hyperinflation in the Weimar Republic.
December 21 » United Kingdom and Nepal formally signed an agreement of friendship, called the Nepal–Britain Treaty of 1923, which superseded the Treaty of Sugauli signed in 1816.
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 October 25, 2026), "Sietze van der Heide (1899-????)".
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