The temperature on July 23, 1956 was between 12.7 °C and 18.4 °C and averaged 15.4 °C. There was 2.4 hours of sunshine (15%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 26 » Soviet Union cedes Porkkala back to Finland.
October 17 » The first commercial nuclear power station is officially opened by Queen Elizabeth II in Sellafield, England.
October 19 » The Soviet Union and Japan sign a Joint Declaration, officially ending the state of war between the two countries that had existed since August 1945.
October 28 » Hungarian Revolution: A de facto ceasefire comes into effect between armed revolutionaries and Soviet troops, who begin to withdraw from Budapest. Communist officials and facilities come under attack by revolutionaries.
November 1 » Hungarian Revolution: Imre Nagy announces Hungary's neutrality and withdrawal from the Warsaw Pact. Soviet troops begin to re-enter Hungary, contrary to assurances by the Soviet government. János Kádár and Ferenc Münnich secretly defect to the Soviets.
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: Cornelis Evertman, "Family tree Evertman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-evertman/I36282.php : accessed January 21, 2026), "Willem de Koster (1880-1956)".
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