The temperature on August 6, 1911 was between 15.3 °C and 22.2 °C and averaged 18.5 °C. There was 7.3 mm of rain. There was 8.7 hours of sunshine (57%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 26 » Glenn Curtiss flies the first successful American seaplane.
March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
August 29 » Ishi, considered the last Native American to make contact with European Americans, emerges from the wilderness of northeastern California.
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 van Weeghel, "Family tree Van Weeghel", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-familie-van-weeghel/I33413.php : accessed September 27, 2024), "Hendrik Jan de Haas (1911-)".
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