The temperature on September 21, 1971 was between 4.5 °C and 23.2 °C and averaged 13.6 °C. There was -0.1 mm of rain. There was 10.0 hours of sunshine (81%). The average windspeed was 1 Bft (weak wind) and was prevailing from the ??. Source: KNMI
February 20 » The United States Emergency Broadcast System is accidentally activated in an erroneous national alert.
March 26 » East Pakistan declares its independence from Pakistan to form Bangladesh and the Bangladesh Liberation War begins.
June 30 » The crew of the Soviet Soyuz 11 spacecraft are killed when their air supply escapes through a faulty valve.
July 26 » Apollo program: Launch of Apollo 15 on the first Apollo "J-Mission", and first use of a Lunar Roving Vehicle.
November 10 » In Cambodia, Khmer Rouge forces attack the city of Phnom Penh and its airport, killing 44, wounding at least 30 and damaging nine aircraft.
November 15 » Intel releases the world's first commercial single-chip microprocessor, the 4004.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I1648.php : accessed January 15, 2026), "Jacomina Dorothea Mienie (-1971)".
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