The temperature on September 21, 1912 was between 2.5 °C and 15.1 °C and averaged 9.0 °C. There was 9.5 hours of sunshine (77%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
February 25 » Marie-Adélaïde, the eldest of six daughters of Guillaume IV, becomes the first reigning Grand Duchess of Luxembourg.
March 6 » Italo-Turkish War: Italian forces become the first to use airships in war, as two dirigibles drop bombs on Turkish troops encamped at Janzur, from an altitude of 6,000 feet.
May 4 » Italy occupies the Greek island of Rhodes.
June 4 » Massachusetts becomes the first state of the United States to set a minimum wage.
October 7 » The Helsinki Stock Exchange sees its first transaction.
November 7 » The Deutsche Opernhaus (now Deutsche Oper Berlin) opens in the Berlin neighborhood of Charlottenburg, with a production of Beethoven's Fidelio.
Christening day September 22, 1912
The temperature on September 22, 1912 was between 3.8 °C and 16.5 °C and averaged 10.4 °C. There was 8.6 hours of sunshine (70%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
April 17 » Russian troops open fire on striking goldfield workers in northeast Siberia, killing at least 150.
April 18 » The Cunard liner RMSCarpathia brings 705 survivors from the RMSTitanic to New York City.
May 5 » Pravda, the "voice" of the Communist Party of the Soviet Union, begins publication in Saint Petersburg.
November 27 » Spain declares a protectorate over the north shore of Morocco.
December 8 » Leaders of the German Empire hold an Imperial War Council to discuss the possibility that war might break out.
Day of marriage September 16, 1938
The temperature on September 16, 1938 was between 3.5 °C and 17.6 °C and averaged 10.7 °C. There was 7.6 hours of sunshine (60%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Theodorus Gerardus Marie Koken, "Family tree Theodorus Gerardus Marie Koken", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-koken/I381.php : accessed February 28, 2026), "Maria Francisca Elisabeth Savelkoul (1912-)".
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