The temperature on June 15, 1914 was between 11.2 °C and 24.6 °C and averaged 18.3 °C. There was 14.1 hours of sunshine (84%). 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.
January 1 » The SPT Airboat Line becomes the world's first scheduled airline to use a winged aircraft.
March 7 » Prince William of Wied arrives in Albania to begin his reign as King.
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.
July 28 » In the culmination of the July Crisis, Austria-Hungary declares war on Serbia, igniting World War I.
September 11 » World War I: Australia invades German New Guinea, defeating a German contingent at the Battle of Bita Paka.
November 13 » Zaian War: Berber tribesmen inflict the heaviest defeat of French forces in Morocco at the Battle of El Herri.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Jan Borren", database, Genealogy Online (https://www.genealogieonline.nl/jan-borren/I45237.php : accessed February 20, 2026), "Gerrit Heiwegen (1914-)".
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