The temperature on December 12, 1915 was between 0.9 °C and 5.9 °C and averaged 3.4 °C. There was 0.6 mm of rain. The average windspeed was 3 Bft (moderate breeze) 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.
May 17 » The last British Liberal Party government (led by H. H. Asquith) falls.
May 22 » Lassen Peak erupts with a powerful force, the only volcano besides Mount St. Helens to erupt in the contiguous U.S. during the 20th century.
June 5 » Denmark amends its constitution to allow women's suffrage.
September 5 » The pacifist Zimmerwald Conference begins.
October 14 » World War I: Bulgaria joins the Central Powers.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
Day of marriage July 31, 1937
The temperature on July 31, 1937 was between 12.9 °C and 19.8 °C and averaged 16.0 °C. There was 0.7 hours of sunshine (4%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 25 » The Guiding Light debuts on NBC radio from Chicago. In 1952 it moves to CBS television, where it remains until September 18, 2009.
June 14 » Pennsylvania becomes the first (and only) state of the United States to celebrate Flag Day officially as a state holiday.
June 15 » A German expedition led by Karl Wien loses sixteen members in an avalanche on Nanga Parbat. It is the worst single disaster to occur on an 8000m peak.
July 5 » Spam, the luncheon meat, is introduced into the market by the Hormel Foods Corporation.
August 28 » Toyota Motors becomes an independent company.
October 11 » The Duke and Duchess of Windsor tour Nazi Germany for 12 days and meet Adolf Hitler on the 22nd.
Day of death July 7, 1961
The temperature on July 7, 1961 was between 8.1 °C and 21.5 °C and averaged 15.9 °C. There was 8.5 hours of sunshine (51%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I2702.php : accessed February 16, 2026), "Tiebe Ottens (1915-1961)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.