The temperature on October 29, 1912 was between 9.0 °C and 14.6 °C and averaged 12.2 °C. There was 1.8 mm of rain. There was 0.9 hours of sunshine (9%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
January 8 » The African National Congress is founded, under the name South African Native National Congress (SANNC).
January 23 » The International Opium Convention is signed at The Hague.
February 29 » The Piedra Movediza (Moving Stone) of Tandil falls and breaks.
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.
November 7 » The Deutsche Opernhaus (now Deutsche Oper Berlin) opens in the Berlin neighborhood of Charlottenburg, with a production of Beethoven's Fidelio.
December 19 » William Van Schaick, captain of the steamship General Slocum which caught fire and killed over one thousand people, is pardoned by U.S. President William Howard Taft after 3⁄2 years in Sing Sing prison.
Day of marriage April 25, 1935
The temperature on April 25, 1935 was between 7.8 °C and 16.8 °C and averaged 11.3 °C. There was 3.4 mm of rain during 3.2 hours. There was 6.6 hours of sunshine (46%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. 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/I200295.php : accessed December 29, 2025), "Koopke de Boer (1912-)".
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