The temperature on February 19, 1915 was between 5.2 °C and 8.5 °C and averaged 6.7 °C. There was 0.8 mm of rain. There was 3.6 hours of sunshine (35%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south. 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 7 » World War I: German submarine U-20 sinks RMS Lusitania, killing 1,198 people, including 128 Americans. Public reaction to the sinking turns many former pro-Germans in the United States against the German Empire.
May 23 » World War I: Italy joins the Allies, fulfilling its part of the Treaty of London.
May 24 » World War I: Italy declares war on Austria-Hungary, joining the conflict on the side of the Allies.
June 5 » Denmark amends its constitution to allow women's suffrage.
August 17 » A Category 4 hurricane hits Galveston, Texas with winds at 135 miles per hour (217km/h).
October 13 » First World War: The Battle of the Hohenzollern Redoubt marks the end of the Battle of Loos.
Day of marriage July 16, 1945
The temperature on July 16, 1945 was between 12.4 °C and 22.8 °C and averaged 18.5 °C. There was 11.0 hours of sunshine (68%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
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.
In The Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
January 23 » World War II: German admiral Karl Dönitz launches Operation Hannibal.
January 26 » World War II: Audie Murphy displays valor and bravery in action for which he will later be awarded the Medal of Honor.
February 21 » World War II: During the Battle of Iwo Jima, Japanese kamikaze planes sink the escort carrier USSBismarck Sea and damage the USSSaratoga.
March 16 » World War II: The Battle of Iwo Jima ended, but small pockets of Japanese resistance persisted.
May 5 » World War II: A Fu-Go balloon bomb launched by the Japanese Army kills six people near Bly, Oregon.
May 6 » World War II: The Prague Offensive, the last major battle of the Eastern Front, begins.
Day of death May 17, 1966
The temperature on May 17, 1966 was between 12.7 °C and 26.4 °C and averaged 18.4 °C. There was 11.2 hours of sunshine (71%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
January 31 » The Soviet Union launches the unmanned Luna 9 spacecraft as part of the Luna program.
February 2 » Pakistan suggests a six-point agenda with Kashmir after the Indo-Pakistani War of 1965.
May 26 » British Guiana gains independence, becoming Guyana.
August 18 » Vietnam War: The Battle of Long Tan ensues after a patrol from the 6th Battalion, Royal Australian Regiment clashes with a Viet Cong force in Phước Tuy Province.
September 8 » The landmark American science fiction television series Star Trek premieres with its first-aired episode, "The Man Trap".
September 30 » Bechuanaland declares its independence, and becomes the Republic of Botswana.
When copying data from this family tree, please include a reference to the origin: Nico de Kunder, "Family tree De Kunder", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-kunder/I6786.php : accessed October 20, 2026), "Helena Johanna Janssen (1915-1966)".
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.