The temperature on May 21, 1914 was between 8.8 °C and 22.8 °C and averaged 16.1 °C. There was 9.9 hours of sunshine (62%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. 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.
August 12 » World War I: The Battle of Halen a.k.a. Battle of the Silver Helmets a clash between large Belgian and German cavalry formations at Halen, Belgium.
September 3 » World War I: Start of the Battle of Grand Couronné, a German assault against French positions on high ground near the city of Nancy.
September 5 » World War I: First Battle of the Marne begins. Northeast of Paris, the French attack and defeat German forces who are advancing on the capital.
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.
November 16 » The Federal Reserve Bank of the United States officially opens.
Day of marriage May 11, 1939
The temperature on May 11, 1939 was between 8.5 °C and 17.3 °C and averaged 11.9 °C. There was 0.2 mm of rain during 0.2 hours. There was 4.8 hours of sunshine (31%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. 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 16 » From Prague Castle, Hitler proclaims Bohemia and Moravia a German protectorate.
March 17 » Second Sino-Japanese War: Battle of Nanchang between the Kuomintang and Japan begins.
September 3 » World War II: France, the United Kingdom, New Zealand and Australia declare war on Germany after the invasion of Poland, forming the Allies.
September 6 » World War II: Britain suffers its first fighter pilot casualty of the Second World War at the Battle of Barking Creek as a result of friendly fire.
September 30 » NBC broadcasts the first televised American football game.
December 15 » Gone with the Wind (highest inflation adjusted grossing film) receives its premiere at Loew's Grand Theatre in Atlanta, Georgia, United States.
Day of death October 17, 1990
The temperature on October 17, 1990 was between 9.8 °C and 16.6 °C and averaged 13.4 °C. There was 6.3 mm of rain during 3.5 hours. The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. 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.
March 18 » In the largest art theft in US history, 12 paintings, collectively worth around $500million, are stolen from the Isabella Stewart Gardner Museum in Boston.
May 18 » In France, a modified TGV train achieves a new rail world speed record of 515.3km/h (320.2mph).
June 13 » First day of the June 1990 Mineriad in Romania. At least 240 strikers and students are arrested or killed in the chaos ensuing from the first post-Ceaușescu elections.
June 22 » Cold War: Checkpoint Charlie is dismantled in Berlin.
July 11 » Oka Crisis: First Nations land dispute in Quebec, Canada begins.
October 2 » Xiamen Airlines Flight 8301 is hijacked and lands at Guangzhou, where it crashes into two other airliners on the ground, killing 128.
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/I122491.php : accessed October 20, 2026), "Sipke Siersema (1914-1990)".
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