May 22 » The Associated Press is formed in New York City as a non-profit news cooperative.
June 20 » Boxer Rebellion: The Imperial Chinese Army begins a 55-day siege of the Legation Quarter in Beijing, China.
June 21 » Boxer Rebellion. China formally declares war on the United States, Britain, Germany, France and Japan, as an edict issued from the Empress Dowager Cixi.
October 19 » Max Planck discovers Planck's law of black-body radiation.
November 7 » Second Boer War: Battle of Leliefontein, a battle during which the Royal Canadian Dragoons win three Victoria Crosses.
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: Coos van Spijk, "Family tree van Spijk en vele anderen!", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-spijk/I76654.php : accessed June 9, 2024), "Jacob Jan van Duijn (1900-)".
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