The temperature on August 18, 1915 was between 12.0 °C and 19.8 °C and averaged 15.1 °C. There was 1.2 mm of rain. There was 5.1 hours of sunshine (35%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. 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 25 » Alexander Graham Bell inaugurates U.S. transcontinental telephone service, speaking from New York to Thomas Watson in San Francisco.
January 26 » The Rocky Mountain National Park is established by an act of the U.S. Congress.
January 28 » An act of the U.S. Congress creates the United States Coast Guard as a branch of the United States Armed Forces.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
May 7 » The Republic of China accedes to 13 of the 21 Demands, extending the Empire of Japan's control over Manchuria and the Chinese economy.
July 24 » The passenger ship SSEastland capsizes while tied to a dock in the Chicago River. A total of 844 passengers and crew are killed in the largest loss of life disaster from a single shipwreck on the Great Lakes.
When copying data from this family tree, please include a reference to the origin: M. Jacobs, "Ancestors Birgit Willaert", database, Genealogy Online (https://www.genealogieonline.nl/kwartierstaat-birgit-willaert/I5321.php : accessed August 8, 2025), "Helena Maria van de Sanden (1889-????)".
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