The temperature on May 3, 1947 was between 6.7 °C and 16.0 °C and averaged 11.5 °C. There was 0.2 mm of rain during 0.2 hours. There was 2.7 hours of sunshine (18%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the east. Source: KNMI
January 6 » Pan American Airlines becomes the first commercial airline to offer a round-the-world ticket.
March 29 » Malagasy Uprising against French colonial rule in Madagascar.
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.
December 2 » Jerusalem Riots of 1947: Riots break out in Jerusalem in response to the United Nations Partition Plan for Palestine.
December 16 » William Shockley, John Bardeen and Walter Brattain build the first practical point-contact transistor.
December 23 » The transistor is first demonstrated at Bell Laboratories.
When copying data from this family tree, please include a reference to the origin: Peter J van Oss, "Van Oss tree", database, Genealogy Online (https://www.genealogieonline.nl/van-oss-tree/I0353.php : accessed January 4, 2026), "Johannes Petrus Maria Hoefnagel (1947-2021)".
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.