The temperature on April 11, 1912 was between 0.1 °C and 9.1 °C and averaged 3.4 °C. There was 1.3 mm of rain. There was 7.8 hours of sunshine (57%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
March 30 » Sultan Abd al-Hafid signs the Treaty of Fez, making Morocco a French protectorate.
April 16 » Harriet Quimby becomes the first woman to fly an airplane across the English Channel.
May 5 » Pravda, the "voice" of the Communist Party of the Soviet Union, begins publication in Saint Petersburg.
November 7 » The Deutsche Opernhaus (now Deutsche Oper Berlin) opens in the Berlin neighborhood of Charlottenburg, with a production of Beethoven's Fidelio.
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: Marianne Langeslag, "Family tree Langeslag", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-langeslag/I511.php : accessed March 6, 2026), "Maria Gertruda zentjens".
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