The temperature on July 6, 1953 was between 11.3 °C and 19.1 °C and averaged 15.9 °C. There was 2.5 mm of rain during 2.7 hours. There was 0.6 hours of sunshine (4%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 28 » James Watson and Francis Crick announce to friends that they have determined the chemical structure of DNA; the formal announcement takes place on April 25 following publication in April's Nature (pub. April 2).
April 29 » The first U.S. experimental 3D television broadcast showed an episode of Space Patrol on Los Angeles ABC affiliate KECA-TV.
June 18 » A United States Air Force C-124 crashes and burns near Tachikawa, Japan, killing 129.
August 12 » The first testing of a real thermonuclear weapon (not test devices): The Soviet atomic bomb project continues with the detonation of "RDS-6s" (Joe 4), the first Soviet thermonuclear bomb.
August 17 » Addiction: First meeting of Narcotics Anonymous takes place, in Southern California.
September 12 » U.S. Senator and future President John Fitzgerald Kennedy marries Jacqueline Lee Bouvier at St. Mary's Church in Newport, Rhode Island.
Day of death May 28, 1971
The temperature on May 28, 1971 was between 9.4 °C and 15.7 °C and averaged 11.7 °C. There was 7.5 mm of rain during 8.7 hours. There was 0.6 hours of sunshine (4%). The heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west. Source: KNMI
January 21 » The current Emley Moor transmitting station, the tallest free-standing structure in the United Kingdom, begins transmitting UHF broadcasts.
January 22 » The Singapore Declaration, one of the two most important documents to the uncodified constitution of the Commonwealth of Nations, is issued.
February 8 » The NASDAQ stock market index opens for the first time.
May 26 » Bangladesh Liberation War: The Pakistan Army slaughters at least 71 Hindus in Burunga, Sylhet, Bangladesh.
September 13 » State police and National Guardsmen storm New York's Attica Prison to quell a prison revolt, which claimed 43 lives.
When copying data from this family tree, please include a reference to the origin: Bertho Derikx, "Family tree Derikx - Hendriks", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-derikx/I155.php : accessed December 24, 2025), "Gerarda Maria Cornelia "Grada" Hendriks (1953-1971)".
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