The temperature on January 5, 1912 was between 3.8 °C and 9.0 °C and averaged 6.7 °C. There was 18.9 mm of rain. There was 0.4 hours of sunshine (5%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-southwest. Source: KNMI
April 20 » Opening day for baseball's Tiger Stadium in Detroit, and Fenway Park in Boston.
May 13 » The Royal Flying Corps, the forerunner of the Royal Air Force, is established in the United Kingdom.
August 6 » The Bull Moose Party meets at the Chicago Coliseum.
October 11 » First Balkan War: The day after the Battle of Sarantaporo, Greek troops liberate the city of Kozani.
October 26 » First Balkan War: The Ottomans lose the cities of Thessaloniki and Skopje.
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/I18747.php : accessed January 29, 2026), "Petrus Johannes Dreyer (1912-)".
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