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.
June 28 » Archduke Franz Ferdinand of Austria and his wife Sophie are assassinated in Sarajevo; this is the casus belli of World War I.
August 15 » World War I: The First Russian Army, led by Paul von Rennenkampf, enters East Prussia.
September 13 » World War I: The Battle of Aisne begins between Germany and France.
September 14 » HMASAE1, the Royal Australian Navy's first submarine, was lost at sea with all hands near East New Britain, Papua New Guinea.
October 27 » First World War: The new British battleship HMS Audacious is sunk by a minefield laid by the armed German merchant-cruiser Berlin.
December 8 » World War I: A squadron of Britain's Royal Navy defeats the Imperial German East Asia Squadron in the Battle of the Falkland Islands in the South Atlantic.
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.
January 27 » First flight of the Lockheed P-38 Lightning.
August 2 » Albert Einstein and Leo Szilard write a letter to Franklin D. Roosevelt, urging him to begin the Manhattan Project to develop a nuclear weapon.
September 3 » World War II: The United Kingdom and France begin a naval blockade of Germany that lasts until the end of the war. This also marks the beginning of the Battle of the Atlantic.
September 10 » World War II: Canada declares war on Germany, joining the Allies: Poland, France, the United Kingdom, New Zealand and Australia.
September 19 » World War II: The Battle of Kępa Oksywska concludes, with Polish losses reaching roughly 14% of all the forces engaged.
November 8 » Venlo Incident: Two British agents of SIS are captured by the Germans.
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 16, 2026), "Aan Kooistra (1914-1980)".
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