The temperature on May 21, 1956 was between 0.1 °C and 16.8 °C and averaged 10.1 °C. There was 10.7 hours of sunshine (67%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 8 » Operation Auca: Five U.S. missionaries are killed by the Huaorani of Ecuador shortly after making contact with them.
February 20 » The United States Merchant Marine Academy becomes a permanent Service Academy.
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.
September 27 » USAF Captain Milburn G. Apt becomes the first person to exceed Mach 3. Shortly thereafter, the Bell X-2 goes out of control and Captain Apt is killed.
October 31 » Hungarian Revolution of 1956: A Revolutionary Headquarters is established in Hungary. Following Imre Nagy's announcement of October 30, banned non-Communist political parties are reformed, and the MDP is replaced by the MSZMP. József Mindszenty is released from prison. The Soviet Politburo makes the decision to crush the Revolution.
November 22 » The Summer Olympics, officially known as the games of the XVI Olympiad, are opened in Melbourne, Australia.
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The Family tree Doppenberg publication was prepared by Henk Doppenberg (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Henk Doppenberg, "Family tree Doppenberg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-doppenberg/I16804.php : accessed February 22, 2026), "Cornelis van Dijk (1911-1956)".
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