The temperature on August 2, 1911 was between 15.4 °C and 25.8 °C and averaged 20.4 °C. There was 1.1 mm of rain. There was 10.7 hours of sunshine (69%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
January 26 » Glenn Curtiss flies the first successful American seaplane.
May 30 » At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun in his Marmon Wasp becoming the first winner of the 500-mile auto race.
September 24 » His Majesty's Airship No. 1, Britain's first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
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: Leo van den Bos, "Family tree Van Seters", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-seters/I378.php : accessed February 15, 2026), "Hendrik van Pelt (1911-)".
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