The temperature on June 7, 1957 was between 6.1 °C and 18.0 °C and averaged 12.9 °C. There was 0.7 mm of rain during 0.6 hours. There was 3.3 hours of sunshine (20%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 1 » Lèse majesté in Thailand was strengthened to include "insult" and changed to a crime against national security, after Thai criminal code of 1956 went into effect.
March 4 » The S&P 500 stock market index is introduced, replacing the S&P 90.
April 11 » United Kingdom agrees to Singaporean self-rule.
August 1 » The United States and Canada form the North American Aerospace Defense Command (NORAD).
September 19 » Plumbbob Rainier becomes the first nuclear explosion to be entirely contained underground, producing no fallout.
October 29 » Israel's prime minister David Ben-Gurion and five of his ministers are injured when Moshe Dwek throws a grenade into Israel's Knesset.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I10406.php : accessed January 30, 2026), "Helena Petronella Pieters (1873-1957)".
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.