The temperature on May 20, 1955 was between 1.6 °C and 10.3 °C and averaged 6.0 °C. There was 2.6 mm of rain during 0.5 hours. There was 8.6 hours of sunshine (54%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 7 » Contralto Marian Anderson becomes the first person of color to perform at the Metropolitan Opera in Giuseppe Verdi's Un ballo in maschera.
February 13 » Israel obtains four of the seven Dead Sea Scrolls.
April 12 » The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective.
May 18 » Operation Passage to Freedom, the evacuation of 310,000 Vietnamese civilians, soldiers and non-Vietnamese members of the French Army from communist North Vietnam to South Vietnam following the end of the First Indochina War, ends.
June 26 » The South African Congress Alliance adopts the Freedom Charter at the Congress of the People in Kliptown.
December 14 » Albania, Austria, Bulgaria, Cambodia, Ceylon, Finland, Hungary, Ireland, Italy, Jordan, Laos, Libya, Nepal, Portugal, Romania and Spain join the United Nations through United Nations Security Council Resolution 109.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I92825.php : accessed May 10, 2025), "Willem Timmer (1923-1955)".
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.