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.
April 5 » Archaeologists in Knossos, Crete, discover a large cache of clay tablets with hieroglyphic writing in a script they call Linear B.
April 15 » Philippine–American War: Filipino guerrillas launch a surprise attack on U.S. infantry and begin a four-day siege of Catubig, Philippines.
September 17 » Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.
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.
Day of marriage January 29, 1927
The temperature on January 29, 1927 was between 3.2 °C and 7.5 °C and averaged 5.2 °C. There was 7.8 mm of rain. The average windspeed was 6 Bft (strong wind) and was prevailing from the south-southwest. Source: KNMI
March 11 » In New York City, Samuel Roxy Rothafel opens the Roxy Theatre.
April 14 » The first Volvo car premieres in Gothenburg, Sweden.
May 18 » After being founded for 20 years, the Government of the Republic of China approves Tongji University to be among the first national universities of the Republic of China.
July 4 » First flight of the Lockheed Vega.
September 18 » The Columbia Broadcasting System goes on the air.
September 22 » Jack Dempsey loses the "Long Count" boxing match to Gene Tunney.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I135798.php : accessed October 24, 2026), "Martje de Haan (1900-)".
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