The temperature on August 7, 1906 was between 8.1 °C and 21.1 °C and averaged 15.2 °C. There was 11.4 hours of sunshine (75%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
February 11 » Pope Pius X publishes the encyclical Vehementer Nos.
March 10 » The Courrières mine disaster, Europe's worst ever, kills 1099 miners in northern France.
April 18 » An earthquake and fire destroy much of San Francisco, California.
September 1 » The International Federation of Intellectual Property Attorneys is established.
September 18 » The 1906 Hong Kong typhoon kills an estimated 10,000 people.
October 11 » San Francisco sparks a diplomatic crisis between the United States and Japan by ordering segregated schools for Japanese students.
Day of death October 4, 1969
The temperature on October 4, 1969 was between 10.9 °C and 19.9 °C and averaged 15.3 °C. There was 0.7 hours of sunshine (6%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Jaap Geensen, "Geensen database", database, Genealogy Online (https://www.genealogieonline.nl/geensen-database/I3483.php : accessed February 12, 2026), "Pieter Willem Roos (1906-1969)".
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