The average temperature on November 20, 1937 was 4.1 °C. There was 6.4 mm of rain during 1.7 hours. There was 2.2 hours of sunshine (26%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 23 » The trial of the anti-Soviet Trotskyist center sees seventeen mid-level Communists accused of sympathizing with Leon Trotsky and plotting to overthrow Joseph Stalin's regime.
March 18 » Spanish Civil War: Spanish Republican forces defeat the Italians at the Battle of Guadalajara.
April 1 » The Royal New Zealand Air Force is formed as an independent service.
June 30 » The world's first emergency telephone number, 999, is introduced in London.
August 28 » Toyota Motors becomes an independent company.
December 29 » The Irish Free State is replaced by a new state called Ireland with the adoption of a new constitution.
When copying data from this family tree, please include a reference to the origin: Miep Bakker, "Family tree families Bakker en Groen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-bakker-en-groen/I773.php : accessed December 24, 2025), "Johannes Felix "Jan" Bakker (1937-2022)".
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