The temperature on September 23, 1914 was between 5.1 °C and 18.7 °C and averaged 11.6 °C. There was 10.5 hours of sunshine (86%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-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.
April 21 » Ypiranga incident: A German arms shipment to Mexico is intercepted by the U.S. Navy near Veracruz.
July 28 » In the culmination of the July Crisis, Austria-Hungary declares war on Serbia, igniting World War I.
August 3 » World War I: Germany declares war against France, while Romania declares its neutrality.
August 5 » World War I: The guns of Point Nepean fort at Port Phillip Heads in Victoria (Australia) fire across the bows of the Norddeutscher Lloyd steamer SSPfalz which is attempting to leave the Port of Melbourne in ignorance of the declaration of war and she is detained; this is said to be the first Allied shot of the War.
August 17 » World War I: Battle of Stallupönen: The German army of General Hermann von François defeats the Russian force commanded by Paul von Rennenkampf near modern-day Nesterov, Russia.
August 28 » World War I: The Royal Navy defeats the German fleet in the Battle of Heligoland Bight.
Day of death April 17, 1991
The temperature on April 17, 1991 was between 0.2 °C and 9.3 °C and averaged 5.2 °C. There was 6.9 mm of rain during 4.2 hours. There was 4.7 hours of sunshine (34%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 7 » Haiti's first democratically elected president, Jean-Bertrand Aristide, is sworn in.
February 15 » The Visegrád Agreement, establishing cooperation to move toward free-market systems, is signed by the leaders of Czechoslovakia, Hungary and Poland.
April 29 » A cyclone strikes the Chittagong district of southeastern Bangladesh with winds of around 155 miles per hour (249km/h), killing at least 138,000 people and leaving as many as ten million homeless.
May 15 » Édith Cresson becomes France's first female Prime Minister.
August 25 » Linus Torvalds announces the first version of what will become Linux.
October 15 » The "Oh-My-God particle", an ultra-high-energy cosmic ray measured at 40,000,000 times that of the highest energy protons produced in a particle accelerator is observed at the University of Utah HiRes observatory in Dugway Proving Ground, Utah.
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/I146394.php : accessed October 17, 2026), "Anne Poortinga (1914-1991)".
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