The temperature on April 16, 1911 was between 4.3 °C and 12.7 °C and averaged 8.5 °C. There was 7.3 hours of sunshine (52%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. 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.
May 9 » The works of Gabriele D'Annunzio are placed in the Index of Forbidden Books by the Vatican.
May 23 » The New York Public Library is dedicated.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
September 23 » Pilot Earle Ovington makes the first official airmail delivery in America under the authority of the United States Post Office Department
Day of death October 20, 1911
The temperature on October 20, 1911 was between 9.3 °C and 17.4 °C and averaged 13.0 °C. There was 1.3 mm of rain. There was 2.9 hours of sunshine (28%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I379730.php : accessed January 6, 2026), "Maria Godefrida de Koning (1911-1911)".
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