The temperature on October 23, 1909 was between 8.8 °C and 13.2 °C and averaged 11.7 °C. There was 0.1 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 15 » The Flores Theater fire in Acapulco, Mexico kills 250.
February 23 » The AEA Silver Dart makes the first powered flight in Canada and the British Empire.
April 9 » The U.S. Congress passes the Payne–Aldrich Tariff Act.
August 30 » Burgess Shale fossils are discovered by Charles Doolittle Walcott.
November 18 » Two United States warships are sent to Nicaragua after 500 revolutionaries (including two Americans) are executed by order of José Santos Zelaya.
December 10 » Selma Lagerlöf becomes the first female writer to win the Nobel Prize in Literature.
Day of death May 11, 1911
The temperature on May 11, 1911 was between 10.3 °C and 22.5 °C and averaged 16.5 °C. There was 11.2 hours of sunshine (72%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
May 9 » The works of Gabriele D'Annunzio are placed in the Index of Forbidden Books by the Vatican.
June 22 » George V and Mary of Teck are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
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.
November 5 » After declaring war on the Ottoman Empire on September 29, 1911, Italy annexes Tripoli and Cyrenaica.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I9501.php : accessed February 5, 2026), "Minke van Donderen (1909-1911)".
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