The temperature on February 9, 1938 was between -0.8 °C and 6.4 °C and averaged 2.9 °C. There was 3.0 mm of rain during 3.4 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 11 » BBC Television produces the world's first ever science fiction television programme, an adaptation of a section of the Karel Čapek play R.U.R., that coined the term "robot".
March 3 » Oil is discovered in Saudi Arabia.
June 7 » Second Sino-Japanese War: The Chinese Nationalist government creates the 1938 Yellow River flood to halt Japanese forces. Five hundred to nine hundred thousand civilians are killed.
June 23 » The Civil Aeronautics Act is signed into law, forming the Civil Aeronautics Authority in the United States.
July 31 » Archaeologists discover engraved gold and silver plates from King Darius the Great in Persepolis.
September 12 » Adolf Hitler demands autonomy and self-determination for the Germans of the Sudetenland region of Czechoslovakia.
Day of marriage August 10, 1961
The temperature on August 10, 1961 was between 10.1 °C and 21.9 °C and averaged 16.1 °C. There was 5.5 hours of sunshine (37%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north. Source: KNMI
May 4 » American civil rights movement: The "Freedom Riders" begin a bus trip through the South.
July 4 » On its maiden voyage, the Soviet nuclear-powered submarine K-19 suffers a complete loss of coolant to its reactor. The crew are able to effect repairs, but 22 of them die of radiation poisoning over the following two years.
August 10 » Vietnam War: The U.S. Army begins Operation Ranch Hand, spraying an estimated 20million US gallons (76,000m) of defoliants and herbicides over rural areas of South Vietnam in an attempt to deprive the Viet Cong of food and vegetation cover.
September 12 » The African and Malagasy Union is founded.
September 18 » CONCACAF is established as the governing body for association football in North America, Central America and the Caribbean.
December 19 » India annexes Daman and Diu, part of Portuguese India.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I8915.php : accessed February 2, 2026), "Diemer ten Bruggencate (1938-2022)".
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