The temperature on May 30, 1912 was between 5.5 °C and 19.9 °C and averaged 13.0 °C. There was 0.1 mm of rain. There was 8.7 hours of sunshine (53%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
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 8 » The First Balkan War begins when Montenegro declares war against the Ottoman Empire.
October 19 » Italo-Turkish War: Italy takes possession of what is now Libya from the Ottoman Empire.
Day of marriage June 2, 1934
The temperature on June 2, 1934 was between 10.6 °C and 26.1 °C and averaged 17.4 °C. There was 10.9 hours of sunshine (66%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 26 » The Apollo Theater reopens in Harlem, New York City.
February 2 » The Export-Import Bank of the United States is incorporated.
February 6 » Far-right leagues rally in front of the Palais Bourbon in an attempted coup against the French Third Republic, creating a political crisis in France.
February 16 » The Austrian Civil War ends with the defeat of the Social Democrats and the Republikanischer Schutzbund.
October 22 » In East Liverpool, Ohio, FBI agents shoot and kill notorious bank robber Pretty Boy Floyd.
December 11 » Bill Wilson, co-founder of Alcoholics Anonymous, takes his last drink and enters treatment for the final time.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I8933.php : accessed February 7, 2026), "Jakoba Derkina Smilde (1912-)".
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