The temperature on June 18, 1912 was between 10.0 °C and 17.3 °C and averaged 14.3 °C. There was 8.6 mm of rain. There was 0.9 hours of sunshine (5%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
February 25 » Marie-Adélaïde, the eldest of six daughters of Guillaume IV, becomes the first reigning Grand Duchess of Luxembourg.
April 17 » Russian troops open fire on striking goldfield workers in northeast Siberia, killing at least 150.
August 6 » The Bull Moose Party meets at the Chicago Coliseum.
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 February 2, 1935
The temperature on February 2, 1935 was between 1.3 °C and 11.2 °C and averaged 7.8 °C. There was 4.2 mm of rain during 1.4 hours. There was 1.3 hours of sunshine (14%). The average windspeed was 6 Bft (strong wind) and was prevailing from the west. Source: KNMI
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/I167624.php : accessed October 25, 2026), "Jelle de Haan (1912-)".
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