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.
January 24 » Second Boer War: Boers stop a British attempt to break the Siege of Ladysmith in the Battle of Spion Kop.
March 13 » British forces occupy Bloemfontein, Orange Free State, during the Second Boer War.
March 24 » Mayor of New York City Robert Anderson Van Wyck breaks ground for a new underground "Rapid Transit Railroad" that would link Manhattan and Brooklyn.
July 29 » In Italy, King Umberto I of Italy is assassinated by the anarchist Gaetano Bresci.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of death April 23, 1983
The temperature on April 23, 1983 was between 8.1 °C and 16.6 °C and averaged 11.6 °C. There was 3.9 mm of rain during 3.4 hours. There was 4.4 hours of sunshine (31%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
When copying data from this family tree, please include a reference to the origin: Dingeman Hendrikse, "Hendrikse Veeartsen op Ammers", database, Genealogy Online (https://www.genealogieonline.nl/dingeman-hendrikse/R442.php : accessed February 17, 2026), "Adrianus Visser (1900-1983)".
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