February 9 » William G. Morgan creates a game called Mintonette, which soon comes to be referred to as volleyball.
March 19 » Auguste and Louis Lumière record their first footage using their newly patented cinematograph.
April 17 » The Treaty of Shimonoseki between China and Japan is signed. This marks the end of the First Sino-Japanese War, and the defeated Qing Empire is forced to renounce its claims on Korea and to concede the southern portion of the Fengtien province, Taiwan and the Pescadores Islands to Japan.
May 7 » In Saint Petersburg, Russian scientist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector—a primitive radio receiver. In some parts of the former Soviet Union the anniversary of this day is celebrated as Radio Day.
September 3 » John Brallier becomes the first openly professional American football player, when he was paid US$10 by David Berry, to play for the Latrobe Athletic Association in a 12-0 win over the Jeanette Athletic Association.
October 8 » Korean Empress Myeongseong is assassinated by Japanese infiltrators.
Day of marriage April 28, 1928
The temperature on April 28, 1928 was between 10.0 °C and 20.1 °C and averaged 14.6 °C. There was 6.4 hours of sunshine (44%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. 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.
April 14 » The Bremen, a German Junkers W 33 type aircraft, reaches Greenly Island, Canada - the first successful transatlantic aeroplane flight from east to west.
June 8 » Second Northern Expedition: The National Revolutionary Army captures Peking, whose name is changed to Beijing ("Northern Capital").
September 28 » Alexander Fleming notices a bacteria-killing mold growing in his laboratory, discovering what later became known as penicillin.
October 10 » Chiang Kai-shek becomes Chairman of the Republic of China.
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: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I433013.php : accessed February 19, 2026), "Jan Geert Wubkes (1895-????)".
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