The temperature on April 23, 1912 was between 5.8 °C and 19.1 °C and averaged 12.2 °C. There was 12.1 hours of sunshine (84%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
March 6 » Italo-Turkish War: Italian forces become the first to use airships in war, as two dirigibles drop bombs on Turkish troops encamped at Janzur, from an altitude of 6,000 feet.
June 30 » The Regina Cyclone, Canada's deadliest tornado event, kills 28 people in Regina, Saskatchewan.
September 25 » Columbia University Graduate School of Journalism is founded in New York City.
October 7 » The Helsinki Stock Exchange sees its first transaction.
December 28 » The first municipally owned streetcars take to the streets in San Francisco.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Jan Borren", database, Genealogy Online (https://www.genealogieonline.nl/jan-borren/I17747.php : accessed February 14, 2026), "Hendrik Jacob van Apeldoorn (1879-????)".
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