The temperature on January 20, 1914 was between -7.2 °C and 1.9 °C and averaged -3.3 °C. There was 6.8 hours of sunshine (80%). The average windspeed was 3 Bft (moderate breeze) 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.
August 6 » World War I: Serbia declares war on Germany; Austria declares war on Russia.
August 25 » World War I: The library of the Catholic University of Leuven is deliberately destroyed by the German Army. Hundreds of thousands of irreplaceable volumes and Gothic and Renaissance manuscripts are lost.
October 5 » World War I: An aircraft successfully destroys another aircraft with gunfire.
October 27 » First World War: The new British battleship HMS Audacious is sunk by a minefield laid by the armed German merchant-cruiser Berlin.
November 5 » World War I: France and the British Empire declare war on the Ottoman Empire.
Day of marriage September 14, 1939
The temperature on September 14, 1939 was between 9.9 °C and 17.3 °C and averaged 13.6 °C. There was 3.0 mm of rain during 1.6 hours. There was 1.1 hours of sunshine (9%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
March 23 » The Hungarian air force attacks the headquarters of the Slovak air force in Spišská Nová Ves, killing 13 people and beginning the Slovak–Hungarian War.
May 21 » The Canadian National War Memorial is unveiled by King George VI and Queen Elizabeth in Ottawa, Ontario, Canada.
September 1 » Switzerland mobilizes its forces and the Swiss Parliament elects Henri Guisan to head the Swiss Armed Forces (an event that can happen only during war or mobilization).
October 16 » World War II: No. 603 Squadron RAF intercepts the first Luftwaffe raid on Britain.
November 23 » World War II: HMSRawalpindi is sunk by the German battleships Scharnhorst and Gneisenau.
December 13 » World War II: Battle of the River Plate: Captain Hans Langsdorff of the German Deutschland-class cruiser (pocket battleship) Admiral Graf Spee engages with Royal Navy cruisers HMSExeter, HMSAjax and HMSAchilles.
Day of death February 28, 1980
The temperature on February 28, 1980 was between 1.9 °C and 5.3 °C and averaged 3.7 °C. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
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/I117744.php : accessed October 19, 2026), "Aan Kooistra (1914-1980)".
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