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.
June 18 » Empress Dowager Cixi of China orders all foreigners killed, including foreign diplomats and their families.
June 20 » Boxer Rebellion: The Imperial Chinese Army begins a 55-day siege of the Legation Quarter in Beijing, China.
September 13 » Filipino insurgents defeat a small American column in the Battle of Pulang Lupa, during the Philippine–American War.
October 25 » The United Kingdom annexes the Transvaal.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of death November 1, 1901
The temperature on November 1, 1901 was between 1.6 °C and 12.1 °C and averaged 5.8 °C. There was 8.3 hours of sunshine (86%). Source: KNMI
June 11 » The boundaries of the Colony of New Zealand are extended by the UK to include the Cook Islands.
August 5 » Peter O'Connor sets the first IAAF recognised long jump world record of 24ft 11.75in (7.6137m), a record that would stand for 20 years.
September 14 » U.S. President William McKinley dies after being mortally wounded on September 6 by anarchist Leon Czolgosz and is succeeded by Vice President Theodore Roosevelt.
October 12 » President Theodore Roosevelt officially renames the "Executive Mansion" to the White House.
December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
When copying data from this family tree, please include a reference to the origin: Francine Sengers, "Family tree Sengers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-sengers/I372.php : accessed February 17, 2026), "Catharina Petronella Zengers (1900-1901)".
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