The temperature on May 20, 1959 was between 11.4 °C and 19.3 °C and averaged 14.9 °C. There was 3.8 mm of rain during 1.4 hours. There was 4.5 hours of sunshine (28%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
February 17 » Project Vanguard: Vanguard 2: The first weather satellite is launched to measure cloud-cover distribution.
May 16 » The Triton Fountain in Valletta, Malta is turned on for the first time.
June 5 » The first government of Singapore is sworn in.
June 14 » Disneyland Monorail System, the first daily operating monorail system in the Western Hemisphere, opens to the public in Anaheim, California.
June 14 » Dominican exiles depart from Cuba and land in the Dominican Republic to overthrow the totalitarian government of Rafael Trujillo. All but four are killed or executed.
July 1 » Specific values for the international yard, avoirdupois pound and derived units (e.g. inch, mile and ounce) are adopted after agreement between the US, the United Kingdom and other Commonwealth countries.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I275943.php : accessed March 12, 2026), "Adriana Poppelaars (± 1882-1959)".
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.