The temperature on September 6, 1911 was between 11.1 °C and 25.7 °C and averaged 17.4 °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
March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
May 15 » In Standard Oil Co. of New Jersey v. United States, the United States Supreme Court declares Standard Oil to be an "unreasonable" monopoly under the Sherman Antitrust Act and orders the company to be broken up.
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.
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 14 » United States Senate leaders agree to rotate the office of President pro tempore of the Senate among leading candidates to fill the vacancy left by William P. Frye's death.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
When copying data from this family tree, please include a reference to the origin: J. J. van der Horst, "Family tree Vollmuller", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-vollmuller/I234.php : accessed June 17, 2024), "Heiltje Vollmuller (1911-)".
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