The temperature on November 20, 1956 was between -2.2 °C and 3.2 °C and averaged 0.5 °C. There was 4.7 hours of sunshine (55%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 4 » The Greek National Radical Union is formed by Konstantinos Karamanlis.
January 26 » Soviet Union cedes Porkkala back to Finland.
February 20 » The United States Merchant Marine Academy becomes a permanent Service Academy.
April 5 » In Sri Lanka, the Mahajana Eksath Peramuna win the general elections in a landslide and S. W. R. D. Bandaranaike is sworn in as the Prime Minister of Ceylon.
July 13 » The Dartmouth workshop is the first conference on artificial intelligence.
July 25 » Forty-five miles south of Nantucket Island, the Italian ocean liner SSAndrea Doria collides with the MSStockholm in heavy fog and sinks the next day, killing 51.
When copying data from this family tree, please include a reference to the origin: Louis Kramer, "Kramer Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/kramer_stamboom/I536072.php : accessed January 16, 2026), "Isa Yvonne Rolandsson (1956-2021)".
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