The temperature on February 17, 1939 was between -1.3 °C and 7.9 °C and averaged 3.3 °C. There was 5.3 hours of sunshine (53%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
January 13 » The Black Friday bushfires burn 20,000 square kilometers of land in Australia, claiming the lives of 71 people.
February 27 » United States labor law: The U.S. Supreme Court rules in NLRB v. Fansteel Metallurgical Corp. that the National Labor Relations Board has no authority to force an employer to rehire workers who engage in sit-down strikes.
June 12 » The Baseball Hall of Fame opens in Cooperstown, New York.
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.
September 1 » World War II: Nazi Germany and Slovakia invade Poland, beginning the European phase of World War II.
September 21 » Romanian Prime Minister Armand Călinescu is assassinated by the Iron Guard.
Day of marriage August 3, 1960
The temperature on August 3, 1960 was between 5.7 °C and 21.7 °C and averaged 14.2 °C. There was 0.1 mm of rain. There was 8.4 hours of sunshine (54%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 23 » The bathyscaphe USS Trieste breaks a depth record by descending to 10,911 metres (35,797ft) in the Pacific Ocean.
April 13 » The United States launches Transit 1-B, the world's first satellite navigation system.
May 7 » Cold War: U-2 Crisis of 1960: Soviet leader Nikita Khrushchev announces that his nation is holding American U-2 pilot Gary Powers.
June 25 » Cold War: Two cryptographers working for the United States National Security Agency left for vacation to Mexico, and from there defected to the Soviet Union.
July 11 » France legislates for the independence of Dahomey (later Benin), Upper Volta (later Burkina) and Niger.
December 3 » The musical Camelot debuts at the Majestic Theatre on Broadway. It will become associated with the Kennedy administration.
When copying data from this family tree, please include a reference to the origin: Erwin Maas, "Family tree Erwin Maas en verwanten", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-erwin-maas/I1997.php : accessed March 2, 2026), "Margaretha Maria "Greet" de (d') Groot (Gro(o)t(t)(e)) (1939-2020)".
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