The temperature on June 17, 1911 was between 9.5 °C and 16.7 °C and averaged 14.1 °C. There was 1.2 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
January 12 » The University of the Philippines College of Law is formally established; three future Philippine presidents are among the first enrollees.
May 9 » The works of Gabriele D'Annunzio are placed in the Index of Forbidden Books by the Vatican.
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
November 1 » World's first combat aerial bombing mission takes place in Libya during the Italo-Turkish War. Second Lieutenant Giulio Gavotti of Italy drops several small bombs.
Day of death September 6, 1911
The temperature on September 6, 1911 was between 10.4 °C and 24.1 °C and averaged 16.6 °C. There was 10.3 hours of sunshine (77%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 3 » A magnitude 7.7 earthquake destroys the city of Almaty in Russian Turkestan.
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 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.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
November 1 » World's first combat aerial bombing mission takes place in Libya during the Italo-Turkish War. Second Lieutenant Giulio Gavotti of Italy drops several small bombs.
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: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I119012.php : accessed October 21, 2026), "Gerrit van der Heide (1911-1911)".
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