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 15 » Jackie Robinson debuts for the Brooklyn Dodgers, breaking baseball's color line.
April 28 » Thor Heyerdahl and five crew mates set out from Peru on the Kon-Tiki to demonstrate that Peruvian natives could have settled Polynesia.
July 1 » The Philippine Air Force is established.
July 19 » Korean politician Lyuh Woon-hyung is assassinated.
November 18 » The Ballantyne's Department Store fire in Christchurch, New Zealand, kills 41; it is the worst fire disaster in the history of New Zealand.
November 25 » Red Scare: The "Hollywood Ten" are blacklisted by Hollywood movie studios.
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 21, 2026), "Cecilia Susanna Greeff (1947-2022)".
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