The temperature on August 4, 1912 was between 12.6 °C and 23.8 °C and averaged 17.3 °C. There was 16.4 mm of rain. There was 2.6 hours of sunshine (17%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
March 5 » Italo-Turkish War: Italian forces are the first to use airships for military purposes, employing them for reconnaissance behind Turkish lines.
August 6 » The Bull Moose Party meets at the Chicago Coliseum.
October 18 » First Balkan War: King Peter I of Serbia issues a declaration "To the Serbian People", as his country joins the war.
November 7 » The Deutsche Opernhaus (now Deutsche Oper Berlin) opens in the Berlin neighborhood of Charlottenburg, with a production of Beethoven's Fidelio.
December 8 » Leaders of the German Empire hold an Imperial War Council to discuss the possibility that war might break out.
December 28 » The first municipally owned streetcars take to the streets in San Francisco.
When copying data from this family tree, please include a reference to the origin: P. Rogier, "Family tree Rogier", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-rogier/I8569280.php : accessed February 3, 2026), "Herman Mattheus Albert VAN DEN ANKER (1912-)".
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