The temperature on January 18, 1915 was between -1.5 °C and 2.9 °C and averaged 0.4 °C. There was 1.0 mm of rain. There was 2.9 hours of sunshine (35%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-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.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
April 18 » French pilot Roland Garros is shot down and glides to a landing on the German side of the lines during World War I.
June 29 » The North Saskatchewan River flood of 1915 is the worst flood in Edmonton history.
August 4 » World War I: The German 12th Army occupies Warsaw during the Gorlice–Tarnów Offensive and the Great Retreat of 1915.
August 17 » Jewish American Leo Frank is lynched in Marietta, Georgia after a 13-year-old girl is murdered.
October 12 » World War I: British nurse Edith Cavell is executed by a German firing squad for helping Allied soldiers escape from Belgium
Day of death April 7, 1966
The temperature on April 7, 1966 was between 3.6 °C and 16.3 °C and averaged 10.6 °C. There was 0.2 mm of rain. There was 4.3 hours of sunshine (32%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
February 4 » All Nippon Airways Flight 60 plunges into Tokyo Bay, killing 133.
March 10 » Military Prime Minister of South Vietnam Nguyễn Cao Kỳ sacked rival General Nguyễn Chánh Thi, precipitating large-scale civil and military dissension in parts of the nation.
May 6 » Myra Hindley and Ian Brady are sentenced to life imprisonment for the Moors murders in England.
May 21 » The Ulster Volunteer Force declares war on the Irish Republican Army in Northern Ireland.
June 14 » The Vatican announces the abolition of the Index Librorum Prohibitorum ("index of prohibited books"), which was originally instituted in 1557.
October 4 » Basutoland becomes independent from the United Kingdom and is renamed Lesotho.
When copying data from this family tree, please include a reference to the origin: Hans Pruckmuller, "Family tree Van Willigen", database, Genealogy Online (https://www.genealogieonline.nl/van-willigen-stamboom/I13289.php : accessed January 22, 2026), "Jan Cornelis van Willigen (1915-1966)".
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