The temperature on September 6, 1912 was between 8.3 °C and 14.9 °C and averaged 10.9 °C. There was 19.2 mm of rain. There was 2.0 hours of sunshine (15%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
February 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
February 25 » Marie-Adélaïde, the eldest of six daughters of Guillaume IV, becomes the first reigning Grand Duchess of Luxembourg.
October 19 » Italo-Turkish War: Italy takes possession of what is now Libya from the Ottoman Empire.
October 26 » First Balkan War: The Ottomans lose the cities of Thessaloniki and Skopje.
November 28 » Albania declares its independence from the Ottoman Empire.
December 3 » Bulgaria, Greece, Montenegro, and Serbia (the Balkan League) sign an armistice with the Ottoman Empire, temporarily halting the First Balkan War. (The armistice will expire on February 3, 1913, and hostilities will resume.)
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/I16164.php : accessed February 7, 2026), "Jan Hendrik Jacobus Bernardo (1912-)".
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