The temperature on August 2, 1911 was between 15.4 °C and 25.8 °C and averaged 20.4 °C. There was 1.1 mm of rain. There was 10.7 hours of sunshine (69%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
January 15 » Palestinian Arabic-language Falastin newspaper founded.
May 19 » Parks Canada, the world's first national park service, is established as the Dominion Parks Branch under the Department of the Interior.
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.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
September 7 » French poet Guillaume Apollinaire is arrested and put in jail on suspicion of stealing the Mona Lisa from the Louvre museum.
Day of death September 25, 1917
The temperature on September 25, 1917 was between 9.8 °C and 22.7 °C and averaged 15.6 °C. There was 0.1 mm of rain. There was 9.6 hours of sunshine (80%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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.
January 19 » Silvertown explosion: A blast at a munitions factory in London kills 73 and injures over 400. The resulting fire causes over £2,000,000 worth of damage.
January 22 » World War I: President Woodrow Wilson of the still-neutral United States calls for "peace without victory" in Europe.
March 1 » The Zimmermann Telegram is reprinted in newspapers across the United States after the U.S. government releases its unencrypted text.
September 14 » The Russian Empire is formally replaced by the Russian Republic.
December 6 » Halifax Explosion: A munitions explosion near Halifax, Nova Scotia kills more than 1,900 people in the largest artificial explosion up to that time.
December 12 » Father Edward J. Flanagan founds Boys Town as a farm village for wayward boys.
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/I167815.php : accessed January 1, 2026), "Henderika van der Ley (1911-1917)".
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