The temperature on August 5, 1911 was between 9.9 °C and 24.7 °C and averaged 18.6 °C. There was 9.2 hours of sunshine (60%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 21 » The first Monte Carlo Rally takes place.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
December 14 » Roald Amundsen's team, comprising himself, Olav Bjaaland, Helmer Hanssen, Sverre Hassel, and Oscar Wisting, becomes the first to reach the South Pole.
Day of death June 15, 1931
The temperature on June 15, 1931 was between 9.3 °C and 17.8 °C and averaged 14.9 °C. There was 3.0 mm of rain during 1.2 hours. There was 7.8 hours of sunshine (47%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
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/I140121.php : accessed January 10, 2026), "Klaas Knobbe (1911-1931)".
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