The temperature on July 29, 1963 was between 11.2 °C and 24.9 °C and averaged 18.8 °C. There was 14.5 hours of sunshine (92%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
January 22 » The Élysée Treaty of cooperation between France and Germany is signed by Charles de Gaulle and Konrad Adenauer.
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.
March 21 » Alcatraz Federal Penitentiary (in California) closes.
April 10 » One hundred twenty-nine American sailors die when the submarine USSThresher sinks at sea.
April 11 » Pope John XXIII issues Pacem in terris, the first encyclical addressed to all Christians instead of only Catholics, and which described the conditions for world peace in human terms.
November 1 » The Arecibo Observatory in Arecibo, Puerto Rico, with the largest radio telescope ever constructed, officially opens.
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/I175957.php : accessed March 13, 2026), "Johannes Alexander Bogaard (± 1893-1963)".
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