February 6 » The Permanent Court of Arbitration, an international arbitration court at The Hague, is created when the Senate of the Netherlands ratifies an 1899 peace conference decree.
May 17 » Second Boer War: British troops relieve Mafeking.
June 14 » The second German Naval Law calls for the Imperial German Navy to be doubled in size, resulting in an Anglo-German naval arms race.
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 9 » The Federation of Australia is given royal assent.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
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/I80156.php : accessed October 20, 2026), "Johanna Kristeerius (1900-)".
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