January 31 » Datu Muhammad Salleh is killed in Kampung Teboh, Tambunan, ending the Mat Salleh Rebellion.
February 27 » Second Boer War: In South Africa, British military leaders receive an unconditional notice of surrender from Boer General Piet Cronjé at the Battle of Paardeberg.
April 5 » Archaeologists in Knossos, Crete, discover a large cache of clay tablets with hieroglyphic writing in a script they call Linear B.
April 14 » The Exposition Universelle begins.
June 18 » Empress Dowager Cixi of China orders all foreigners killed, including foreign diplomats and their families.
August 3 » The Firestone Tire and Rubber Company is founded.
Day of marriage February 25, 1921
The temperature on February 25, 1921 was between -2.9 °C and 14.0 °C and averaged 4.8 °C. There was 8.6 hours of sunshine (81%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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.
May 19 » The United States Congress passes the Emergency Quota Act establishing national quotas on immigration.
September 21 » A storage silo in Oppau, Germany, explodes, killing 500–600 people.
October 5 » The World Series is the first to be broadcast on radio.
October 13 » Soviet republics sign the Treaty of Kars to formalize the borders between Turkey and the South Caucasus states.
October 29 » The Link River Dam, a part of the Klamath Reclamation Project, is completed.
November 4 » The Saalschutz Abteilung (hall defense detachment) of the Nazi Party is renamed the Sturmabteilung (storm detachment) after a large riot in Munich.
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/I290885.php : accessed February 18, 2026), "Hendrik Hollander (1900-)".
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