The temperature on December 24, 1912 was between 4.5 °C and 9.7 °C and averaged 7.3 °C. There was 1.2 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
February 29 » The Piedra Movediza (Moving Stone) of Tandil falls and breaks.
May 5 » Pravda, the "voice" of the Communist Party of the Soviet Union, begins publication in Saint Petersburg.
June 30 » The Regina Cyclone, Canada's deadliest tornado event, kills 28 people in Regina, Saskatchewan.
August 6 » The Bull Moose Party meets at the Chicago Coliseum.
November 7 » The Deutsche Opernhaus (now Deutsche Oper Berlin) opens in the Berlin neighborhood of Charlottenburg, with a production of Beethoven's Fidelio.
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/I93246.php : accessed October 5, 2026), "Boukje Grupstra (1912-)".
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