The temperature on April 17, 1939 was between 6.6 °C and 12.5 °C and averaged 8.7 °C. There was 1.9 mm of rain during 1.2 hours. There was 3.8 hours of sunshine (27%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. 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.
March 2 » Cardinal Eugenio Pacelli is elected Pope and takes the name Pius XII.
March 30 » The Heinkel He 100 fighter sets a world airspeed record of 463mph (745km/h).
June 12 » Shooting begins on Paramount Pictures' Dr. Cyclops, the first horror film photographed in three-strip Technicolor.
September 2 » World War II: Following the start of the invasion of Poland the previous day, the Free City of Danzig (now Gdańsk, Poland) is annexed by Nazi Germany.
November 8 » Venlo Incident: Two British agents of SIS are captured by the Germans.
December 18 » World War II: The Battle of the Heligoland Bight, the first major air battle of the war, takes place.
When copying data from this family tree, please include a reference to the origin: W.J. Oving, "Family tree Oving", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oving/I77193.php : accessed February 3, 2026), "Margareta Carolina MARCELIS".
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