February 7 » Second Boer War: British troops fail in their third attempt to lift the Siege of Ladysmith.
April 2 » The United States Congress passes the Foraker Act, giving Puerto Rico limited self-rule.
June 25 » The Taoist monk Wang Yuanlu discovers the Dunhuang manuscripts, a cache of ancient texts that are of great historical and religious significance, in the Mogao Caves of Dunhuang, China.
July 9 » The Federation of Australia is given royal assent.
July 9 » The Governor of Shanxi province in North China orders the execution of 45 foreign Christian missionaries and local church members, including children.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of marriage May 5, 1934
The temperature on May 5, 1934 was between 8.0 °C and 17.0 °C and averaged 12.5 °C. There was 1.0 mm of rain during 2.1 hours. There was 8.6 hours of sunshine (57%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
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/I133682.php : accessed October 22, 2026), "Jan van Os (1900-)".
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