The temperature on May 20, 1911 was between 8.9 °C and 16.2 °C and averaged 11.4 °C. There was 4.2 hours of sunshine (26%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
May 23 » The New York Public Library is dedicated.
August 14 » United States Senate leaders agree to rotate the office of President pro tempore of the Senate among leading candidates to fill the vacancy left by William P. Frye's death.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
December 9 » A mine explosion near Briceville, Tennessee, kills 84 miners despite rescue efforts led by the United States Bureau of Mines.
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: Simon Bosland, "Assendelft op de genealogische kaart.", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-bosland/I6895.php : accessed May 2, 2024), "Hillegonda Fokker (± 1885-????)".
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