The temperature on April 20, 1928 was between -0.8 °C and 8.9 °C and averaged 4.0 °C. There was 5.4 mm of rain. There was 4.9 hours of sunshine (35%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
April 12 » The Bremen, a German Junkers W 33 type aircraft, takes off for the first successful transatlantic aeroplane flight from east to west.
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 4 » The President of the Republic of China, Zhang Zuolin, is assassinated by Japanese agents.
August 27 » The Kellogg–Briand Pact outlawing war is signed by fifteen nations. Ultimately sixty-one nations will sign it.
October 12 » An iron lung respirator is used for the first time at Children's Hospital, Boston.
October 22 » Phi Sigma Alpha fraternity is founded at the University of Puerto Rico.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I88145.php : accessed May 9, 2025), "Hendrik Eefting (1928-)".
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