February 9 » The Davis Cup competition is established.
April 30 » Hawaii becomes a territory of the United States, with Sanford B. Dole as governor.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
May 26 » Thousand Days' War: The Colombian Conservative Party turns the tide of war in their favor with victory against the Colombian Liberal Party in the Battle of Palonegro.
October 19 » Max Planck discovers Planck's law of black-body radiation.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of marriage July 25, 1923
The temperature on July 25, 1923 was between 10.9 °C and 17.7 °C and averaged 15.3 °C. There was 9.9 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. 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.
February 16 » Howard Carter unseals the burial chamber of Pharaoh Tutankhamun.
March 20 » The Arts Club of Chicago hosts the opening of Pablo Picasso's first United States showing, entitled Original Drawings by Pablo Picasso, becoming an early proponent of modern art in the United States.
April 26 » The Duke of York weds Lady Elizabeth Bowes-Lyon at Westminster Abbey.
June 27 » Capt. Lowell H. Smith and Lt. John P. Richter perform the first ever aerial refueling in a DH.4B biplane.
September 29 » The French Mandate for Syria and the Lebanon takes effect.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I92161.php : accessed March 15, 2026), "Adriana Marianne Verstraaten (1900-)".
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