The temperature on July 30, 1939 was between 14.1 °C and 25.5 °C and averaged 19.4 °C. There was 24.8 mm of rain during 3.2 hours. There was 5.4 hours of sunshine (35%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
February 5 » Generalísimo Francisco Franco becomes the 68th "Caudillo de España", or Leader of Spain.
February 28 » The erroneous word "dord" is discovered in the Webster's New International Dictionary, Second Edition, prompting an investigation.
August 15 » The Wizard of Oz premieres at Grauman's Chinese Theater in Los Angeles, California.
August 15 » Twenty-six Junkers Ju 87 bombers commanded by Walter Sigel meet unexpected ground fog during a dive-bombing demonstration for Luftwaffe generals at Neuhammer. Thirteen of them crash and burn.
September 1 » Adolf Hitler signs an order to begin the systematic euthanasia of mentally ill and disabled people.
September 1 » Switzerland mobilizes its forces and the Swiss Parliament elects Henri Guisan to head the Swiss Armed Forces (an event that can happen only during war or mobilization).
January 12 » Vietnam War: Operation Chopper, the first American combat mission in the war, takes place.
April 26 » NASA's Ranger 4 spacecraft crashes into the Moon.
July 8 » Ne Win besieges and dynamites the Rangoon University Student Union building to crush the Student Movement.
July 11 » First transatlantic satellite television transmission.
October 16 » Cuban missile crisis begins: Kennedy is informed of photos taken on October 14 by a U-2 showing nuclear missiles (the crisis will last for 13 days starting from this point).
December 2 » Vietnam War: After a trip to Vietnam at the request of U.S. President John F. Kennedy, U.S. Senate Majority Leader Mike Mansfield becomes the first American official to comment adversely on the war's progress.
When copying data from this family tree, please include a reference to the origin: Gerda Lubberman, "Family tree Arling", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-arling/I15817.php : accessed March 12, 2026), "Johanna Bernarda "Erna" Kolker (1939-2019)".
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