January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
March 16 » Sir Arthur Evans purchased the land around the ruins of Knossos, the largest Bronze Age archaeological site on Crete.
July 9 » The Governor of Shanxi province in North China orders the execution of 45 foreign Christian missionaries and local church members, including children.
August 14 » The Eight-Nation Alliance occupies Beijing, China, in a campaign to end the bloody Boxer Rebellion in China.
September 17 » Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.
October 25 » The United Kingdom annexes the Transvaal.
Day of death October 21, 1900
The temperature on October 21, 1900 was about 4.4 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 100%. Source: KNMI
January 24 » Second Boer War: Boers stop a British attempt to break the Siege of Ladysmith in the Battle of Spion Kop.
April 30 » Hawaii becomes a territory of the United States, with Sanford B. Dole as governor.
June 5 » Second Boer War: British soldiers take Pretoria.
July 9 » The Governor of Shanxi province in North China orders the execution of 45 foreign Christian missionaries and local church members, including children.
August 3 » The Firestone Tire and Rubber Company is founded.
October 19 » Max Planck discovers Planck's law of black-body radiation.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I25655.php : accessed February 3, 2026), "Hendrik Wiltink (1900-1900)".
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