The temperature on March 18, 1906 was between 4.0 °C and 8.9 °C and averaged 6.6 °C. There was 0.8 mm of rain. There was 1.3 hours of sunshine (11%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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.
March 31 » The Intercollegiate Athletic Association of the United States (later the National Collegiate Athletic Association) is established to set rules for college sports in the United States.
April 8 » Auguste Deter, the first person to be diagnosed with Alzheimer's disease, dies.
June 25 » Pittsburgh, Pennsylvania millionaire Harry Thaw shoots and kills prominent architect Stanford White.
September 13 » The Santos-Dumont 14-bis makes a short hop, the first flight of a fixed-wing aircraft in Europe.
September 25 » Leonardo Torres y Quevedo demonstrates the Telekino, guiding a boat from the shore, in what is considered to be the first use of a remote control.
December 15 » The London Underground's Great Northern, Piccadilly and Brompton Railway opens.
Check the information Open Archives has about De Roo.
Check the Wie (onder)zoekt wie? register to see who is (re)searching De Roo.
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/I328.php : accessed January 23, 2026), "Willem Bastiaan de Roo (1906-)".
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.