The temperature on September 15, 1915 was between 9.3 °C and 17.8 °C and averaged 14.1 °C. There was 0.5 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. 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.
January 26 » The Rocky Mountain National Park is established by an act of the U.S. Congress.
February 8 » D. W. Griffith's controversial film The Birth of a Nation premieres in Los Angeles.
July 7 » The First Battle of the Isonzo comes to an end.
August 6 » World War I: Battle of Sari Bair: The Allies mount a diversionary attack timed to coincide with a major Allied landing of reinforcements at Suvla Bay.
August 15 » A story in New York World newspaper reveals that the Imperial German government had purchased excess phenol from Thomas Edison that could be used to make explosives for the war effort and diverted it to Bayer for aspirin production.
October 14 » World War I: Bulgaria joins the Central Powers.
Day of death February 20, 1980
The temperature on February 20, 1980 was between -0.3 °C and 8.9 °C and averaged 4.2 °C. There was 8.4 hours of sunshine (82%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. 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.
February 28 » Andalusia approves its statute of autonomy through a referendum.
March 24 » El Salvadorian Archbishop Óscar Romero is assassinated while celebrating Mass in San Salvador.
July 1 » "O Canada" officially becomes the national anthem of Canada.
September 22 » Iraq invades Iran.
October 30 » El Salvador and Honduras agree to put the border dispute fought over in 1969's Football War before the International Court of Justice.
November 21 » A deadly fire breaks out at the MGM Grand Hotel in Paradise, Nevada (now Bally's Las Vegas). Eighty-seven people are killed and more than 650 are injured in the worst disaster in Nevada history.
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The Family tree Scheltens publication was prepared by Henk Scheltens (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Henk Scheltens, "Family tree Scheltens", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-scheltens/I728.php : accessed February 1, 2026), "Willem van den Ouden (1915-1980)".
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