January 13 » First Italo-Ethiopian War: the war's opening battle, the Battle of Coatit, occurs; it is an Italian victory.
May 7 » In Saint Petersburg, Russian scientist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector—a primitive radio receiver. In some parts of the former Soviet Union the anniversary of this day is celebrated as Radio Day.
May 25 » Playwright, poet and novelist Oscar Wilde is convicted of "committing acts of gross indecency with other male persons" and sentenced to serve two years in prison.
May 25 » The Republic of Formosa is formed, with Tang Jingsong as its president.
October 4 » Horace Rawlins wins the first U.S. Open Men's Golf Championship.
December 28 » The Lumière brothers perform for their first paying audience at the Grand Cafe in Boulevard des Capucines.
Day of death September 15, 1901
The temperature on September 15, 1901 was between 11.5 °C and 14.0 °C and averaged 12.9 °C. Source: KNMI
March 23 » Emilio Aguinaldo, only President of the First Philippine Republic, was captured at Palanan, Isabela by the forces of General Frederick Funston.
June 11 » The boundaries of the Colony of New Zealand are extended by the UK to include the Cook Islands.
August 14 » The first claimed powered flight, by Gustave Whitehead in his Number 21.
August 21 » Six hundred American school teachers, Thomasites, arrived in Manila on the USAT Thomas.
September 17 » Second Boer War: Boers capture a squadron of the 17th Lancers at the Battle of Elands River.
October 12 » President Theodore Roosevelt officially renames the "Executive Mansion" to the White House.
When copying data from this family tree, please include a reference to the origin: Dirk Zwinderman, "Family tree Zwinderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-zwinderman/I458.php : accessed January 23, 2026), "Betje Boltendal (-1901)".
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