March 2 » United States Steel Corporation is founded as a result of a merger between Carnegie Steel Company and Federal Steel Company which became the first corporation in the world with a market capital over $1 billion.
June 17 » The College Board introduces its first standardized test, the forerunner to the SAT.
August 6 » Kiowa land in Oklahoma is opened for white settlement, effectively dissolving the contiguous reservation.
September 2 » Vice President of the United States Theodore Roosevelt utters the famous phrase, "Speak softly and carry a big stick" at the Minnesota State Fair.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
September 14 » U.S. President William McKinley dies after being mortally wounded on September 6 by anarchist Leon Czolgosz and is succeeded by Vice President Theodore Roosevelt.
Day of marriage June 16, 1927
The temperature on June 16, 1927 was between 6.0 °C and 23.9 °C and averaged 17.1 °C. There was 12.9 hours of sunshine (77%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
Check the information Open Archives has about De Groot.
Check the Wie (onder)zoekt wie? register to see who is (re)searching De Groot.
The Family tree Redegeld publication was prepared by A. Steenbergen-Redegeld (contact is not possible).
When copying data from this family tree, please include a reference to the origin: A. Steenbergen-Redegeld, "Family tree Redegeld", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-redegeld/R176.php : accessed March 17, 2026), "Cornelis Rubertus de Groot (1901-)".
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.