The temperature on June 6, 1939 was between 12.2 °C and 29.6 °C and averaged 22.1 °C. There was 13.7 hours of sunshine (83%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. 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 16 » From Prague Castle, Hitler proclaims Bohemia and Moravia a German protectorate.
July 28 » The Sutton Hoo helmet is discovered.
August 2 » Albert Einstein and Leo Szilard write a letter to Franklin D. Roosevelt, urging him to begin the Manhattan Project to develop a nuclear weapon.
August 27 » First flight of the turbojet-powered Heinkel He 178, the world's first jet aircraft.
September 9 » Burmese national hero U Ottama dies in prison after a hunger strike to protest Britain's colonial government.
September 17 » World War II: German submarineU-29 sinks the British aircraft carrier HMSCourageous.
When copying data from this family tree, please include a reference to the origin: Has Johannes Maria de Beer, "Family tree De Beer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-beer/I131.php : accessed February 19, 2026), "Philomina Anna Henrika de Beer (1939-2007)".
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