The temperature on August 14, 1914 was between 9.6 °C and 22.0 °C and averaged 16.4 °C. There was 12.8 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
July 23 » Austria-Hungary issues a series of demands in an ultimatum to the Kingdom of Serbia demanding Serbia to allow the Austrians to determine who assassinated Archduke Franz Ferdinand. Serbia accepts all but one of those demands and Austria declares war on July 28.
August 6 » World War I: Serbia declares war on Germany; Austria declares war on Russia.
August 15 » World War I: Beginning of the Battle of Cer, the first Allied victory of World War I.
August 30 » World War I: Germans defeat the Russians in the Battle of Tannenberg.
September 8 » World War I: Private Thomas Highgate becomes the first British soldier to be executed for desertion during the war.
December 14 » Lisandro de la Torre and others found the Democratic Progressive Party (Partido Demócrata Progresista, PDP) at the Hotel Savoy, Buenos Aires, Argentina.
When copying data from this family tree, please include a reference to the origin: Marieke Cooper, "Family tree Cooper, Kooper, Oostwal, Robert, Ooteman en Blokland", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-cooper/I79.php : accessed January 8, 2026), "Wilhelmina Petronella Adams (1914-)".
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