January 23 » Second Boer War: The Battle of Spion Kop between the forces of the South African Republic and the Orange Free State and British forces ends in a British defeat.
February 14 » British forces begin the Battle of the Tugela Heights in an effort to lift the Siege of Ladysmith.
February 23 » Second Boer War: During the Battle of the Tugela Heights, the first British attempt to take Hart's Hill fails.
May 26 » Thousand Days' War: The Colombian Conservative Party turns the tide of war in their favor with victory against the Colombian Liberal Party in the Battle of Palonegro.
October 9 » The Cook Islands become a territory of the United Kingdom.
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: Johan Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker-stamboom/I268.php : accessed January 23, 2026), "Cornelia Hokke (1900-)".
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