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.
February 7 » A Chinese immigrant in San Francisco falls ill to bubonic plague in the first plague epidemic in the continental United States.
March 7 » The German liner SSKaiser Wilhelm der Grosse becomes the first ship to send wireless signals to shore.
May 17 » The children's novel The Wonderful Wizard of Oz, by L. Frank Baum, is first published in the United States. The first copy is given to the author's sister.
July 19 » The first line of the Paris Métro opens for operation.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of marriage April 30, 1927
The temperature on April 30, 1927 was between 0.9 °C and 11.9 °C and averaged 6.2 °C. There was 9.1 hours of sunshine (61%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
When copying data from this family tree, please include a reference to the origin: L. Bakx, "Family tree Bakx", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-bakx/I9907.php : accessed February 27, 2026), "Johannes Backx (1900-)".
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