The temperature on July 30, 1911 was between 19.2 °C and 28.3 °C and averaged 23.0 °C. There was 11.8 hours of sunshine (75%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
April 27 » Following the resignation and death of William P. Frye, a compromise is reached to rotate the office of President pro tempore of the United States Senate.
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
May 9 » The works of Gabriele D'Annunzio are placed in the Index of Forbidden Books by the Vatican.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
November 3 » Chevrolet officially enters the automobile market in competition with the Ford Model T.
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.
When copying data from this family tree, please include a reference to the origin: Cees van der Pol, "Family tree Van der Pol", database, Genealogy Online (https://www.genealogieonline.nl/van-der-pol-stamboom/I20002.php : accessed January 20, 2026), "Nelis van der Pol (1911-1911)".
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