The temperature on June 28, 1912 was between 11.2 °C and 24.7 °C and averaged 18.1 °C. There was 11.3 hours of sunshine (68%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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 17 » Russian troops open fire on striking goldfield workers in northeast Siberia, killing at least 150.
May 13 » The Royal Flying Corps, the forerunner of the Royal Air Force, is established in the United Kingdom.
October 19 » Italo-Turkish War: Italy takes possession of what is now Libya from the Ottoman Empire.
November 7 » The Deutsche Opernhaus (now Deutsche Oper Berlin) opens in the Berlin neighborhood of Charlottenburg, with a production of Beethoven's Fidelio.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I16268.php : accessed February 6, 2026), "Christian Jan Mauritz Dreyer (1912-1912)".
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