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
February 8 » The Boy Scouts of America is incorporated by William D. Boyce.
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
May 4 » The Royal Canadian Navy is created.
June 25 » Igor Stravinsky's ballet The Firebird is premiered in Paris, bringing him to prominence as a composer.
October 11 » Piloted by Arch Hoxsey, Theodore Roosevelt becomes the first U.S. president to fly in an airplane.
October 21 » HMSNiobe arrives in Halifax Harbour to become the first ship of the Royal Canadian Navy.
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.
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 14, 2026), "Klaas Helder (1910-1914)".
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