The temperature on January 22, 1911 was between -2.2 °C and 0.2 °C and averaged -0.6 °C. There was 0.2 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
August 29 » Ishi, considered the last Native American to make contact with European Americans, emerges from the wilderness of northeastern California.
September 1 » The armored cruiser Georgios Averof is commissioned into the Greek Navy. It now serves as a museum ship.
September 29 » Italy declares war on the Ottoman Empire.
November 19 » The Doom Bar in Cornwall claimed two ships, Island Maid and Angele, the latter killing the entire crew except the captain.
December 24 » Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
Day of death August 20, 1911
The temperature on August 20, 1911 was between 8.9 °C and 23.3 °C and averaged 17.0 °C. There was 10.0 hours of sunshine (69%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
January 3 » A gun battle in the East End of London left two dead and sparked a political row over the involvement of then-Home Secretary Winston Churchill.
May 21 » President of Mexico Porfirio Díaz and the revolutionary Francisco Madero sign the Treaty of Ciudad Juárez to put an end to the fighting between the forces of both men, concluding the initial phase of the Mexican Revolution.
May 23 » The New York Public Library is dedicated.
August 29 » Ishi, considered the last Native American to make contact with European Americans, emerges from the wilderness of northeastern California.
October 5 » The Kowloon–Canton Railway commences service.
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: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I260208.php : accessed January 20, 2026), "Maria Theodora van Mook (1911-1911)".
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