March 18 » AFC Ajax Amsterdam, The Netherlands's biggest and most successful football club, was founded.
June 9 » Indian nationalist Birsa Munda dies of cholera in a British prison.
June 25 » The Taoist monk Wang Yuanlu discovers the Dunhuang manuscripts, a cache of ancient texts that are of great historical and religious significance, in the Mogao Caves of Dunhuang, China.
September 17 » Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.
October 9 » The Cook Islands become a territory of the United Kingdom.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of death December 1, 1900
The temperature on December 1, 1900 was about 4.6 °C. The airpressure was 75 cm mercury. The atmospheric humidity was 92%. Source: KNMI
March 16 » Sir Arthur Evans purchased the land around the ruins of Knossos, the largest Bronze Age archaeological site on Crete.
April 30 » Hawaii becomes a territory of the United States, with Sanford B. Dole as governor.
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.
June 25 » The Taoist monk Wang Yuanlu discovers the Dunhuang manuscripts, a cache of ancient texts that are of great historical and religious significance, in the Mogao Caves of Dunhuang, China.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
December 19 » Hopetoun Blunder: The first Governor-General of Australia John Hope, 7th Earl of Hopetoun, appoints Sir William Lyne premier of the new state of New South Wales, but he is unable to persuade other colonial politicians to join his government and is forced to resign.
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/I81397.php : accessed February 12, 2026), "Klaske Sybesma (1900-1900)".
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