The temperature on September 15, 1912 was between 6.4 °C and 13.8 °C and averaged 11.0 °C. There was 2.1 mm of rain. There was 0.2 hours of sunshine (2%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
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.
April 16 » Harriet Quimby becomes the first woman to fly an airplane across the English Channel.
September 28 » The Ulster Covenant is signed by some 500,000 Ulster Protestant Unionists in opposition to the Third Irish Home Rule Bill.
October 24 » First Balkan War: The Battle of Kumanovo concludes with the Serbian victory against 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.)
December 16 » First Balkan War: The Royal Hellenic Navy defeats the Ottoman Navy at the Battle of Elli.
Day of marriage May 11, 1935
The temperature on May 11, 1935 was between 7.5 °C and 16.1 °C and averaged 11.0 °C. There was 6.3 hours of sunshine (41%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
March 21 » Shah of Iran Reza Shah Pahlavi formally asks the international community to call Persia by its native name, Iran.
May 24 » The first night game in Major League Baseball history is played in Cincinnati, Ohio, with the Cincinnati Reds beating the Philadelphia Phillies 2–1 at Crosley Field.
June 11 » Inventor Edwin Armstrong gives the first public demonstration of FM broadcasting in the United States at Alpine, New Jersey.
October 3 » Second Italo-Abyssinian War: Italy invades Ethiopia.
December 17 » First flight of the Douglas DC-3.
December 27 » Regina Jonas is ordained as the first female rabbi in the history of Judaism.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I110749.php : accessed October 23, 2026), "Sietske Woudstra (1912-)".
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