The temperature on November 22, 1910 was between -0.3 °C and 6.8 °C and averaged 2.7 °C. There was 4.5 hours of sunshine (53%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
March 1 » The deadliest avalanche in United States history buries a Great Northern Railway train in northeastern King County, Washington, killing 96 people.
March 8 » French aviator Raymonde de Laroche becomes the first woman to receive a pilot's license.
June 25 » Igor Stravinsky's ballet The Firebird is premiered in Paris, bringing him to prominence as a composer.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
August 20 » Extremely dry and windy weather in the Inland Northwest of the United States causes several small wildfires to coalesce into the Great Fire of 1910, burning approximately 3million acres (12,000km) and killing 87 people.
September 20 » The ocean liner SSFrance, later known as the "Versailles of the Atlantic", is launched.
Day of death August 17, 1914
The temperature on August 17, 1914 was between 12.0 °C and 22.1 °C and averaged 17.3 °C. There was 11.1 hours of sunshine (76%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
February 13 » Copyright: In New York City the American Society of Composers, Authors and Publishers is established to protect the copyrighted musical compositions of its members.
March 7 » Prince William of Wied arrives in Albania to begin his reign as King.
May 25 » The House of Commons of the United Kingdom passes the Home Rule Bill for devolution in Ireland.
July 4 » The funeral of Archduke Franz Ferdinand and his wife Sophie takes place in Vienna, six days after their assassinations in Sarajevo.
August 24 » World War I: The Battle of Cer ends as the first Allied victory in the war.
August 30 » World War I: Germans defeat the Russians in the Battle of Tannenberg.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I66714.php : accessed October 10, 2026), "Klaas Helder (1910-1914)".
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