The temperature on July 13, 1912 was between 19.2 °C and 29.8 °C and averaged 24.2 °C. There was 11.9 hours of sunshine (73%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
January 23 » The International Opium Convention is signed at The Hague.
March 5 » Italo-Turkish War: Italian forces are the first to use airships for military purposes, employing them for reconnaissance behind Turkish lines.
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.
September 25 » Columbia University Graduate School of Journalism is founded in New York City.
October 26 » First Balkan War: The Ottomans lose the cities of Thessaloniki and Skopje.
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.)
Day of marriage November 2, 1935
The temperature on November 2, 1935 was between 8.0 °C and 14.7 °C and averaged 10.7 °C. There was 0.4 hours of sunshine (4%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
January 7 » Benito Mussolini and French Foreign minister Pierre Laval sign the Franco-Italian Agreement.
February 13 » A jury in Flemington, New Jersey finds Bruno Hauptmann guilty of the 1932 kidnapping and murder of the Lindbergh baby, the son of Charles Lindbergh.
February 28 » DuPont scientist Wallace Carothers invents nylon.
March 16 » Adolf Hitler orders Germany to rearm herself in violation of the Treaty of Versailles. Conscription is reintroduced to form the Wehrmacht.
April 14 » The Black Sunday dust storm, considered one of the worst storms of the Dust Bowl, swept across the Oklahoma and Texas panhandles and neighboring areas.
September 15 » The Nuremberg Laws deprive German Jews of citizenship.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I69308.php : accessed February 28, 2026), "Jan Ubels (1912-)".
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