The temperature on May 14, 1911 was between 10.9 °C and 20.3 °C and averaged 15.1 °C. There was 1.4 mm of rain. There was 3.3 hours of sunshine (21%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 26 » Glenn Curtiss flies the first successful American seaplane.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
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 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.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
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: Rik Plomp, "Pedigree Plomp", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plomp/I7034.php : accessed January 6, 2026), "Arie Albers (1911-)".
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