The temperature on July 24, 1947 was between 14.9 °C and 26.0 °C and averaged 20.5 °C. There was 0.1 mm of rain. There was 8.9 hours of sunshine (56%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
April 9 » The Glazier–Higgins–Woodward tornadoes kill 181 and injure 970 in Texas, Oklahoma, and Kansas.
April 15 » Jackie Robinson debuts for the Brooklyn Dodgers, breaking baseball's color line.
June 25 » The Diary of a Young Girl (better known as The Diary of Anne Frank) is published.
September 18 » The National Security Council and the Central Intelligence Agency are established in the United States by the National Security Act. It also establishes the Air Force as an equal partner of the Army and Navy.
September 30 » Pakistan joins the United Nations.
November 20 » The Princess Elizabeth marries Lieutenant Philip Mountbatten, who becomes the Duke of Edinburgh, at Westminster Abbey in London.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I20978.php : accessed February 23, 2026), "Cecilia Susanna Greeff (1947-2022)".
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