The temperature on November 23, 1956 was between -3.7 °C and -0.3 °C and averaged -1.8 °C. There was 2.0 hours of sunshine (24%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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.
August 6 » After going bankrupt in 1955, the American broadcaster DuMont Television Network makes its final broadcast, a boxing match from St. Nicholas Arena in New York in the Boxing from St. Nicholas Arena series.
September 13 » The IBM 305 RAMAC is introduced, the first commercial computer to use disk storage.
November 2 » Hungarian Revolution: Imre Nagy requests UN aid for Hungary. Nikita Khrushchev meets with leaders of other Communist countries to seek their advice on the situation in Hungary, selecting János Kádár as the country's next leader on the advice of Josip Broz Tito.
December 4 » The Million Dollar Quartet (Elvis Presley, Jerry Lee Lewis, Carl Perkins, and Johnny Cash) get together at Sun Studio for the first and last time.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I519620.php : accessed January 15, 2026), "Ignatius Petrus van Niekerk Dreyer (1926-1956)".
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