The temperature on March 30, 1971 was between -0.2 °C and 10.5 °C and averaged 4.4 °C. There was 9.0 hours of sunshine (70%). The almost cloudless was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 22 » The Singapore Declaration, one of the two most important documents to the uncodified constitution of the Commonwealth of Nations, is issued.
February 9 » The 6.5–6.7 Mw Sylmar earthquake hits the Greater Los Angeles Area with a maximum Mercalli intensity of XI (Extreme), killing 64 and injuring 2,000.
May 19 » Mars probe program: Mars 2 is launched by the Soviet Union.
September 21 » Bahrain, Bhutan and Qatar join the United Nations.
September 28 » The Parliament of the UK passes the Misuse of Drugs Act 1971, banning the medicinal use of cannabis.
October 1 » The first practical CT scanner is used to diagnose a patient.
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/I13151.php : accessed January 14, 2026), "Johanna Adriana Kennedey (-1971)".
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