The temperature on September 20, 1939 was between 8.3 °C and 19.1 °C and averaged 13.8 °C. There was 3.4 mm of rain during 0.8 hours. There was 3.6 hours of sunshine (29%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
September 1 » General George C. Marshall becomes Chief of Staff of the United States Army.
September 10 » World War II: The submarine HMSOxley is mistakenly sunk by the submarine HMSTriton near Norway and becomes the Royal Navy's first loss of a submarine in the war.
September 18 » World War II: The Polish government of Ignacy Mościcki flees to Romania.
September 18 » World War II: The radio show Germany Calling begins transmitting Nazi propaganda.
September 19 » World War II: The Battle of Kępa Oksywska concludes, with Polish losses reaching roughly 14% of all the forces engaged.
November 17 » Nine Czech students are executed as a response to anti-Nazi demonstrations prompted by the death of Jan Opletal. All Czech universities are shut down and more than 1,200 students sent to concentration camps. Since this event, International Students' Day is celebrated in many countries, especially in the Czech Republic.
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The Family tree Den Outer publication was prepared by Menno den Outer (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Menno den Outer, "Family tree Den Outer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-den-outer/R1821.php : accessed January 20, 2026), "Idske Lambooij (1909-1983)".
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