The temperature on January 7, 1912 was between -3.9 °C and 0.9 °C and averaged -0.5 °C. There was 6.6 mm of rain. There was 2.3 hours of sunshine (29%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
February 14 » Arizona is admitted as the 48th and the last contiguous U.S. state.
February 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
April 15 » The British passenger liner RMSTitanic sinks in the North Atlantic at 2:20a.m., two hours and forty minutes after hitting an iceberg. Only 710 of 2,227 passengers and crew on board survive.
August 14 » U.S. Marines invade Nicaragua to support the U.S.-backed government installed there after José Santos Zelaya had resigned three years earlier.
September 25 » Columbia University Graduate School of Journalism is founded in New York City.
October 26 » First Balkan War: The Ottomans lose the cities of Thessaloniki and Skopje.
When copying data from this family tree, please include a reference to the origin: Van Knippenberg, "Family tree Van Knippenberg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-knippenberg/I1990.php : accessed March 7, 2026), "Cornelius Gummer (1912-1944)".
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