The temperature on October 9, 1971 was between 9.6 °C and 17.4 °C and averaged 13.9 °C. There was 1.6 hours of sunshine (14%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
January 25 » Charles Manson and three female "Family" members are found guilty of the 1969 Tate–LaBianca murders.
April 5 » In Sri Lanka, Janatha Vimukthi Peramuna launches a revolt against the United Front government of Sirimavo Bandaranaike.
April 17 » The Provisional Government of Bangladesh is formed.
May 19 » Mars probe program: Mars 2 is launched by the Soviet Union.
September 4 » Alaska Airlines Flight 1866 crashes near Juneau, Alaska, killing all 111 people on board.
November 28 » Fred Quilt, a leader of the Tsilhqot'in First Nation suffers severe abdominal injuries allegedly caused by Royal Canadian Mounted Police officers; he dies two days later.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I477474.php : accessed February 3, 2026), "Derk van den Berg (± 1885-1971)".
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