The temperature on June 15, 1911 was between 6.4 °C and 17.9 °C and averaged 12.3 °C. There was 9.4 mm of rain. There was 8.7 hours of sunshine (52%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
January 15 » Palestinian Arabic-language Falastin newspaper founded.
March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
July 1 » Germany despatches the gunship SMSPanther to Morocco, sparking the Agadir Crisis.
November 17 » Omega Psi Phi fraternity was founded on the campus of Howard University in Washington, D.C.
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.
December 24 » Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
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/I119010.php : accessed October 17, 2026), "Imke Pitstra (1911-)".
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