January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
February 21 » An Englishman raised in Australia, Bob Fitzsimmons, fought an Irishman, Peter Maher, in an American promoted event which technically took place in Mexico, winning the 1896 World Heavyweight Championship in boxing.
March 2 » The Battle of Adwa: The Italian Army defeated by the Ethiopian Army in Adwa, Tigray, Ethiopia.
November 1 » A picture showing the bare breasts of a woman appears in National Geographic magazine for the first time.
November 17 » The Western Pennsylvania Hockey League, which later became the first ice hockey league to openly trade and hire players, began play at Pittsburgh's Schenley Park Casino.
December 30 » Canadian ice hockey player Ernie McLea scores the first hat-trick in Stanley Cup play, and the Cup-winning goal as the Montreal Victorias defeat the Winnipeg Victorias 6–5.
Day of death June 30, 1956
The temperature on June 30, 1956 was between 13.0 °C and 21.0 °C and averaged 16.7 °C. There was 8.2 hours of sunshine (49%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
May 1 » A doctor in Japan reports an "epidemic of an unknown disease of the central nervous system", marking the official discovery of Minamata disease.
May 1 » The polio vaccine developed by Jonas Salk is made available to the public.
June 20 » A Venezuelan Super-Constellation crashes in the Atlantic Ocean off Asbury Park, New Jersey, killing 74 people.
September 13 » The dike around the Dutch polder East Flevoland is closed.
September 16 » TCN-9 Sydney is the first Australian television station to commence regular broadcasts.
November 1 » The Indian states Kerala, Andhra Pradesh, and Mysore are formally created under the States Reorganisation Act; Kanyakumari district is joined to Tamil Nadu from Kerala.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I70242.php : accessed October 15, 2026), "Willem Hartman (1896-1956)".
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