The temperature on April 4, 1912 was between -0.3 °C and 13.3 °C and averaged 8.3 °C. There was 3.2 hours of sunshine (24%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
January 8 » The African National Congress is founded, under the name South African Native National Congress (SANNC).
February 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
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.
April 17 » Russian troops open fire on striking goldfield workers in northeast Siberia, killing at least 150.
June 8 » Carl Laemmle incorporates Universal Pictures.
When copying data from this family tree, please include a reference to the origin: Marco Kluft, "Family tree Kluft", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kluft/I265.php : accessed January 25, 2026), "Trijntje Waijboer (1886-????)".
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