The temperature on June 29, 1928 was between 13.5 °C and 23.7 °C and averaged 18.4 °C. There was 9.9 hours of sunshine (59%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
September 17 » The Okeechobee hurricane strikes southeastern Florida, killing more than 2,500 people.
September 18 » Juan de la Cierva makes the first autogyro crossing of the English Channel.
October 2 » The "Prelature of the Holy Cross and the Work of God", commonly known as Opus Dei, is founded.
December 17 » Indian revolutionaries Bhagat Singh, Sukhdev Thapar and Shivaram Rajguru assassinate British police officer James Saunders in Lahore, Punjab, to avenge the death of Lala Lajpat Rai at the hands of the police. The three were executed in 1931.
When copying data from this family tree, please include a reference to the origin: Frans Chodzynski, "Family tree Chodzynski", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-chodzynski/I861.php : accessed January 18, 2026), "Hendrik Pieters Boonstra (1850-1928)".
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