The temperature on May 20, 1917 was between 10.2 °C and 26.0 °C and averaged 19.0 °C. There was 12.2 hours of sunshine (77%). 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.
February 3 » First World War: The American entry into World War I begins when diplomatic relations with Germany are severed due to its unrestricted submarine warfare.
March 8 » International Women's Day protests in St. Petersburg mark the beginning of the February Revolution (February 23rd in the Julian calendar).
June 26 » World War I: The American Expeditionary Forces begin to arrive in France. They will first enter combat four months later.
July 31 » World War I: The Battle of Passchendaele begins near Ypres in West Flanders, Belgium.
November 20 » World War I: Battle of Cambrai begins: British forces make early progress in an attack on German positions but are later pushed back.
November 26 » The Manchester Guardian publishes the 1916 secret Sykes-Picot Agreement between the United Kingdom and France.
Day of marriage September 11, 1941
The temperature on September 11, 1941 was between 10.6 °C and 18.2 °C and averaged 14.1 °C. There was 7.7 mm of rain during 7.2 hours. There was 4.2 hours of sunshine (32%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 9 » World War II: First flight of the Avro Lancaster.
January 21 » Sparked by the murder of a German officer in Bucharest, Romania the day before, members of the Iron Guard engaged in a rebellion and pogrom killing 125 Jews.
May 9 » World War II: The German submarine U-110 is captured by the Royal Navy. On board is the latest Enigma machine which Allied cryptographers later use to break coded German messages.
September 3 » The Holocaust: Karl Fritzsch, deputy camp commandant of the Auschwitz concentration camp, experiments with the use of Zyklon B in the gassing of Soviet POWs.
September 28 » World War II: The Drama uprising against the Bulgarian occupation in northern Greece begins.
October 20 » World War II: Thousands of civilians in German-occupied Serbia are murdered in the Kragujevac massacre.
Day of death June 26, 1988
The temperature on June 26, 1988 was between 13.4 °C and 16.5 °C and averaged 14.9 °C. There was 0.2 mm of rain during 0.1 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 12 » Cold War: The 1988 Black Sea bumping incident: The U.S. missile cruiser USSYorktown(CG-48) is intentionally rammed by the Soviet frigate Bezzavetnyy in the Soviet territorial waters, while Yorktown claims innocent passage.
July 23 » General Ne Win, effective ruler of Burma since 1962, resigns after pro-democracy protests.
August 1 » A British soldier was killed in the Inglis Barracks bombing in London, England.
August 17 » President of Pakistan Muhammad Zia-ul-Haq and U.S. Ambassador Arnold Raphel are killed in a plane crash.
September 12 » Hurricane Gilbert devastates Jamaica; it turns towards Mexico's Yucatán Peninsula two days later, causing an estimated $5 billion in damage.
September 27 » The National League for Democracy is formed by Aung San Suu Kyi and others to fight dictatorship in Myanmar.
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/I120214.php : accessed October 23, 2026), "Liekele van der Valle (1917-1988)".
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