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 31 » Datu Muhammad Salleh is killed in Kampung Teboh, Tambunan, ending the Mat Salleh Rebellion.
February 23 » Second Boer War: During the Battle of the Tugela Heights, the first British attempt to take Hart's Hill fails.
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
May 22 » The Associated Press is formed in New York City as a non-profit news cooperative.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of death June 18, 1900
The temperature on June 18, 1900 was about 18.7 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 67%. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Jaap van Tuyll, "Descendants Visee", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-visee/I161.php : accessed March 1, 2026), "Maria Bertha van Tuijll (1900-1900)".
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