The temperature on June 6, 1928 was between 7.1 °C and 17.9 °C and averaged 12.6 °C. There was 4.4 hours of sunshine (27%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
January 1 » Boris Bazhanov defects through Iran. He is the only assistant of Joseph Stalin's secretariat to have defected from the Eastern Bloc.
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).
September 18 » Juan de la Cierva makes the first autogyro crossing of the English Channel.
September 27 » The Republic of China is recognized by the United States.
October 1 » The Soviet Union introduces its first five-year plan.
When copying data from this family tree, please include a reference to the origin: J. Ham, "Family tree Ham", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ham/I40294.php : accessed February 17, 2026), "Wilhelmina Boersma (± 1903-)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.