February 18 » Second Boer War: Imperial forces suffer their worst single-day loss of life on Bloody Sunday, the first day of the Battle of Paardeberg.
April 15 » Philippine–American War: Filipino guerrillas launch a surprise attack on U.S. infantry and begin a four-day siege of Catubig, Philippines.
June 20 » Baron Eduard Toll, leader of the Russian Polar Expedition of 1900, departs Saint Petersburg in Russia on the explorer ship Zarya, never to return.
August 3 » The Firestone Tire and Rubber Company is founded.
October 19 » Max Planck discovers Planck's law of black-body radiation.
October 25 » The United Kingdom annexes the Transvaal.
Day of marriage December 18, 1922
The temperature on December 18, 1922 was between -0.2 °C and 8.0 °C and averaged 4.0 °C. There was 3.3 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
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 7 » Dáil Éireann ratifies the Anglo-Irish Treaty by a 64–57 vote.
March 20 » The USSLangley is commissioned as the first United States Navy aircraft carrier.
April 7 » The United States Secretary of the Interior leases federal petroleum reserves to private oil companies on excessively generous terms.
April 15 » U.S. Senator John B. Kendrick of Wyoming introduces a resolution calling for an investigation of a secret land deal, which leads to the discovery of the Teapot Dome scandal.
August 27 » Greco-Turkish War: The Turkish army takes the Aegean city of Afyonkarahisar from the Kingdom of Greece.
November 26 » Howard Carter and Lord Carnarvon become the first people to enter the tomb of Pharaoh Tutankhamun in over 3000 years.
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/I62966.php : accessed October 22, 2026), "Roelof de Boer (1900-)".
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