The temperature on October 10, 1910 was between 9.8 °C and 15.0 °C and averaged 12.2 °C. There was -0.1 hours of sunshine (0%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
February 8 » The Boy Scouts of America is incorporated by William D. Boyce.
March 8 » French aviator Raymonde de Laroche becomes the first woman to receive a pilot's license.
April 16 » The oldest existing indoor ice hockey arena still used for the sport in the 21st century, Boston Arena, opens for the first time.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
September 20 » The ocean liner SSFrance, later known as the "Versailles of the Atlantic", is launched.
October 22 » Hawley Harvey Crippen (the first felon to be arrested with the help of radio) is convicted of poisoning his wife.
Day of death June 22, 1911
The temperature on June 22, 1911 was between 10.2 °C and 20.0 °C and averaged 14.7 °C. There was 0.8 mm of rain. There was 5.5 hours of sunshine (33%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
January 26 » Glenn Curtiss flies the first successful American seaplane.
May 21 » President of Mexico Porfirio Díaz and the revolutionary Francisco Madero sign the Treaty of Ciudad Juárez to put an end to the fighting between the forces of both men, concluding the initial phase of the Mexican Revolution.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
September 1 » The armored cruiser Georgios Averof is commissioned into the Greek Navy. It now serves as a museum ship.
November 11 » Many cities in the Midwestern United States break their record highs and lows on the same day as a strong cold front rolls through.
When copying data from this family tree, please include a reference to the origin: Jan Willem Graafmans, "Family tree Graafmans", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-graafmans/R97.php : accessed January 28, 2026), "Daniel Johannes Graafmans (1910-1911)".
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