The temperature on January 5, 1911 was between -0.9 °C and 1.2 °C and averaged 0.5 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 29 » Mexican Revolution: Mexicali is captured by the Mexican Liberal Party, igniting the Magonista rebellion of 1911.
March 25 » In New York City, the Triangle Shirtwaist Factory fire kills 146 garment workers.
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
August 1 » Harriet Quimby takes her pilot's test and becomes the first U.S. woman to earn an Aero Club of America aviator's certificate.
August 29 » Ishi, considered the last Native American to make contact with European Americans, emerges from the wilderness of northeastern California.
September 23 » Pilot Earle Ovington makes the first official airmail delivery in America under the authority of the United States Post Office Department
When copying data from this family tree, please include a reference to the origin: Marion Spek, "Family tree Spek", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-spek/R496.php : accessed February 27, 2026), "Willem Bardelmeijer (± 1888-????)".
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