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
January 31 » A North Sea flood causes over 1,800 deaths in the Netherlands and over 300 in the United Kingdom.
February 11 » Cold War: U.S. President Dwight D. Eisenhower denies all appeals for clemency for Julius and Ethel Rosenberg.
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).
May 25 » The first public television station in the United States officially begins broadcasting as KUHT from the campus of the University of Houston.
July 17 » The largest number of United States midshipman casualties in a single event results from an aircraft crash in Florida, killing 44.
September 21 » Lieutenant No Kum-sok, a North Korean pilot, defects to South Korea with his jet fighter.
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 31 » The Winter Soldier Investigation, organized by the Vietnam Veterans Against the War to publicize war crimes and atrocities by Americans and allies in Vietnam, begins in Detroit.
August 18 » Vietnam War: Australia and New Zealand decide to withdraw their troops from Vietnam.
September 11 » The Egyptian Constitution becomes official.
October 12 » The 2,500 year celebration of the Persian Empire begins.
November 28 » Wasfi al-Tal, Prime Minister of Jordan, is assassinated by the Black September unit of the Palestine Liberation Organization.
December 16 » The United Kingdom recognizes Bahrain's independence, which is commemorated annually as Bahrain's National Day.
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 February 25, 2026), "Gerarda Maria Cornelia "Grada" Hendriks (1953-1971)".
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