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.
June 20 » Boxer Rebellion: The Imperial Chinese Army begins a 55-day siege of the Legation Quarter in Beijing, China.
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.
July 9 » The Governor of Shanxi province in North China orders the execution of 45 foreign Christian missionaries and local church members, including children.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
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The Family tree Van Willigen publication was prepared by Rob van Willigen (contact is not possible).
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