The temperature on July 26, 1963 was between 8.2 °C and 18.8 °C and averaged 13.9 °C. There was 12.7 hours of sunshine (80%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
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.
April 16 » Dr. Martin Luther King Jr. pens his Letter from Birmingham Jail while incarcerated in Birmingham, Alabama for protesting against segregation.
April 26 » In Libya, amendments to the constitution transform Libya (United Kingdom of Libya) into one national unity (Kingdom of Libya) and allows for female participation in elections.
May 25 » The Organisation of African Unity is established in Addis Ababa, Ethiopia.
July 1 » The British Government admits that former diplomat Kim Philby had worked as a Soviet agent.
October 10 » The Partial Nuclear Test Ban Treaty comes into effect.
When copying data from this family tree, please include a reference to the origin: LvH, "Genealogy Van Eck op Goeree Overflakkee", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-van-eck/I12784.php : accessed February 14, 2026), "Wijntje CROOSWIJK (1903-1963)".
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