January 30 » The first Anglo-Japanese Alliance is signed in London.
February 27 » Second Boer War: Australian soldiers Harry "Breaker" Morant and Peter Handcock are executed in Pretoria after being convicted of war crimes.
March 18 » Macario Sakay issues Presidential Order No. 1 of his Tagalog Republic.
April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
June 28 » The U.S. Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.
Day of marriage March 31, 1923
The temperature on March 31, 1923 was between 0.5 °C and 12.8 °C and averaged 6.6 °C. There was 6.0 hours of sunshine (47%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. 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 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.
February 15 » Greece becomes the last European country to adopt the Gregorian calendar.
April 28 » Wembley Stadium is opened, named initially as the Empire Stadium.
September 29 » The French Mandate for Syria and the Lebanon takes effect.
October 6 » The Turkish National Movement enters Constantinople.
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: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I484136.php : accessed January 20, 2026), "Lodewijk Pool (1902-)".
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