The temperature on March 31, 1963 was between 2.3 °C and 4.9 °C and averaged 3.6 °C. There was 3.0 mm of rain during 2.9 hours. There was -0.1 hours of sunshine (0%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
February 5 » The European Court of Justice's ruling in Van Gend en Loos v Nederlandse Administratie der Belastingen establishes the principle of direct effect, one of the most important, if not the most important, decisions in the development of European Union law.
April 21 » The first election of the Universal House of Justice is held, marking its establishment as the supreme governing institution of the Bahá'í Faith.
June 3 » Soldiers of the South Vietnamese Army attack protesting Buddhists in Huế with liquid chemicals from tear-gas grenades, causing 67 people to be hospitalized for blistering of the skin and respiratory ailments.
August 31 » Crown Colony of North Borneo (now Sabah) achieves self governance.
October 9 » In Italy, a large landslide a causes a giant wave to overtop the Vajont Dam, killing over 2,000.
November 23 » The BBC broadcasts An Unearthly Child (starring William Hartnell), the first episode of the first story from the first series of Doctor Who, which is now the world's longest running science fiction drama.
When copying data from this family tree, please include a reference to the origin: James Downs, "Downs Tree", database, Genealogy Online (https://www.genealogieonline.nl/downs-tree/I312392304743.php : accessed March 7, 2026), "Leola Polk (1879-1963)".
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