The temperature on June 19, 1911 was between 11.2 °C and 21.8 °C and averaged 15.5 °C. There was 14.5 mm of rain. There was 8.5 hours of sunshine (51%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
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.
May 23 » The New York Public Library is dedicated.
June 22 » George V and Mary of Teck are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
When copying data from this family tree, please include a reference to the origin: Hans Lington, "Database Langton / Lengton / Lington - Heil - Rahder", database, Genealogy Online (https://www.genealogieonline.nl/database-langton/I3883.php : accessed January 21, 2026), "Julia Elisabeth Steffelaar (1911-)".
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