The temperature on June 18, 1947 was between 12.1 °C and 26.2 °C and averaged 19.7 °C. There was 13.9 hours of sunshine (83%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
February 23 » International Organization for Standardization is founded.
May 3 » New post-war Japanese constitution goes into effect.
May 22 » Cold War: The Truman Doctrine goes into effect, aiding Turkey and Greece.
July 19 » Korean politician Lyuh Woon-hyung is assassinated.
July 26 » Cold War: U.S. President Harry S. Truman signs the National Security Act of 1947 into United States law creating the Central Intelligence Agency, United States Department of Defense, United States Air Force, Joint Chiefs of Staff, and the United States National Security Council.
November 17 » American scientists John Bardeen and Walter Houser Brattain observe the basic principles of the transistor, a key element for the electronics revolution of the 20th century.
Check the information Open Archives has about Doppenberg.
Check the Wie (onder)zoekt wie? register to see who is (re)searching Doppenberg.
The Family tree Doppenberg publication was prepared by Henk Doppenberg (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Henk Doppenberg, "Family tree Doppenberg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-doppenberg/I9209.php : accessed January 17, 2026), "N.N. Doppenberg (1947)".
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.