The temperature on February 24, 1911 was between 5.3 °C and 8.8 °C and averaged 7.0 °C. There was 3.5 mm of rain. There was 2.6 hours of sunshine (25%). The average windspeed was 6 Bft (strong wind) and was prevailing from the west. Source: KNMI
February 18 » The first official flight with airmail takes place from Allahabad, United Provinces, British India (now India), when Henri Pequet, a 23-year-old pilot, delivers 6,500 letters to Naini, about 10 kilometres (6.2mi) away.
May 15 » More than 300 Chinese immigrants are killed in the Torreón massacre when the forces of the Mexican Revolution led by Emilio Madero take the city of Torreón from the Federales.
May 19 » Parks Canada, the world's first national park service, is established as the Dominion Parks Branch under the Department of the Interior.
May 31 » The President of Mexico Porfirio Díaz flees the country during the Mexican Revolution.
September 23 » Pilot Earle Ovington makes the first official airmail delivery in America under the authority of the United States Post Office Department
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: Francis Isken, "Isken family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-isken/I1981.php : accessed February 2, 2026), "Cornelis Oudshoorn (± 1875-1911)".
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