The temperature on April 6, 1928 was between 1.6 °C and 13.8 °C and averaged 7.1 °C. There was 8.2 hours of sunshine (62%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
May 3 » The Jinan incident begins with the deaths of twelve Japanese civilians by Chinese forces in Jinan, China, which leads to Japanese retaliation and the deaths of over 2,000 Chinese civilians in the following days.
June 9 » Charles Kingsford Smith completes the first trans-Pacific flight in a Fokker Trimotor monoplane, the Southern Cross.
June 18 » Aviator Amelia Earhart becomes the first woman to fly in an aircraft across the Atlantic Ocean (she is a passenger; Wilmer Stultz is the pilot and Lou Gordon the mechanic).
October 2 » The "Prelature of the Holy Cross and the Work of God", commonly known as Opus Dei, is founded.
October 12 » An iron lung respirator is used for the first time at Children's Hospital, Boston.
When copying data from this family tree, please include a reference to the origin: Gert Esterhuizen, "Family tree Eric Esterhuizen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eric-esterhuizen/I6673.php : accessed January 17, 2026), "Magrietha Petronella AVENARIUS (1868-1928)".
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