The temperature on August 19, 1909 was between 12.3 °C and 20.4 °C and averaged 16.3 °C. There was 1.4 mm of rain. There was 4.3 hours of sunshine (30%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 2 » The Paris Film Congress opens. An attempt by European producers to form an equivalent to the MPCC cartel in the United States.
April 18 » Joan of Arc is beatified in Rome.
June 26 » The Science Museum in London comes into existence as an independent entity.
August 24 » Workers start pouring concrete for the Panama Canal.
September 7 » Eugène Lefebvre crashes a new French-built Wright biplane during a test flight at Juvisy, south of Paris, becoming the first aviator in the world to lose his life in a powered heavier-than-air craft.
September 20 » The South Africa Act 1909 creates the Union of South Africa from the British Colonies from four smaller colonies.
Christening day May 5, 1912
The temperature on May 5, 1912 was between 4.2 °C and 15.8 °C and averaged 10.1 °C. There was 7.1 hours of sunshine (47%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 8 » The African National Congress is founded, under the name South African Native National Congress (SANNC).
March 5 » Italo-Turkish War: Italian forces are the first to use airships for military purposes, employing them for reconnaissance behind Turkish lines.
April 17 » Russian troops open fire on striking goldfield workers in northeast Siberia, killing at least 150.
October 7 » The Helsinki Stock Exchange sees its first transaction.
October 14 » Former president Theodore Roosevelt is shot and mildly wounded by John Flammang Schrank. With the fresh wound in his chest, and the bullet still within it, Roosevelt delivers his scheduled speech.
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/I66617.php : accessed October 16, 2026), "Jacoba Wiersema (1909-)".
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