The temperature on July 15, 1911 was between 11.2 °C and 17.6 °C and averaged 14.7 °C. There was 1.1 hours of sunshine (7%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
May 23 » The New York Public Library is dedicated.
June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
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 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
November 19 » The Doom Bar in Cornwall claimed two ships, Island Maid and Angele, the latter killing the entire crew except the captain.
Day of death December 9, 1911
The temperature on December 9, 1911 was between 0.7 °C and 5.9 °C and averaged 3.4 °C. There was 3.8 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
May 19 » Parks Canada, the world's first national park service, is established as the Dominion Parks Branch under the Department of the Interior.
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.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
September 29 » Italy declares war on the Ottoman Empire.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
When copying data from this family tree, please include a reference to the origin: Eva Drenth, "Family tree Diverse", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-drenth/I31945.php : accessed February 4, 2026), "Barbara Boumeester (1911-1911)".
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