The temperature on August 16, 1915 was between 8.8 °C and 19.5 °C and averaged 14.3 °C. There was 1.3 mm of rain. There was 5.3 hours of sunshine (36%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. 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 31 » World War I: Germany is the first to make large-scale use of poison gas in warfare in the Battle of Bolimów against Russia.
April 18 » French pilot Roland Garros is shot down and glides to a landing on the German side of the lines during World War I.
May 22 » Lassen Peak erupts with a powerful force, the only volcano besides Mount St. Helens to erupt in the contiguous U.S. during the 20th century.
July 16 » At Treasure Island on the Delaware River in the United States, the First Order of the Arrow ceremony takes place and the Order of the Arrow is founded to honor American Boy Scouts who best exemplify the Scout Oath and Law.
August 17 » A Category 4 hurricane hits Galveston, Texas with winds at 135 miles per hour (217km/h).
September 5 » The pacifist Zimmerwald Conference begins.
Day of death September 25, 1915
The temperature on September 25, 1915 was between 12.7 °C and 17.0 °C and averaged 14.6 °C. There was 3.1 mm of rain. There was 0.3 hours of sunshine (2%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. 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 12 » In Washington, D.C., the first stone of the Lincoln Memorial is put into place.
March 20 » Albert Einstein publishes his general theory of relativity.
June 21 » The U.S. Supreme Court hands down its decision in Guinn v. United States 238 US 347 1915, striking down Oklahoma grandfather clause legislation which had the effect of denying the right to vote to blacks.
July 7 » Colombo Town Guard officer Henry Pedris is executed in British Ceylon for allegedly inciting persecution of Muslims.
July 25 » RFC Captain Lanoe Hawker becomes the first British pursuit aviator to earn the Victoria Cross.
September 5 » The pacifist Zimmerwald Conference begins.
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/I120770.php : accessed December 31, 2025), "Dirk Zijlstra (1915-1915)".
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