The temperature on December 25, 1960 was between 2.3 °C and 5.4 °C and averaged 3.9 °C. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
April 25 » The United States Navy submarine USSTriton completes the first submerged circumnavigation of the globe.
April 27 » Togo gains independence from French-administered UN trusteeship.
May 16 » Theodore Maiman operates the first optical laser (a ruby laser), at Hughes Research Laboratories in Malibu, California.
June 19 » The first NASCAR race was held at Charlotte Motor Speedway.
August 19 » Cold War: In Moscow, Russia, Soviet Union, downed American U-2 pilot Francis Gary Powers is sentenced to ten years imprisonment by the Soviet Union for espionage.
November 4 » At the Kasakela Chimpanzee Community in Tanzania, Dr. Jane Goodall observes chimpanzees creating tools, the first-ever observation in non-human animals.
When copying data from this family tree, please include a reference to the origin: Eva Drenth, "Family tree Diverse", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-drenth/I26096.php : accessed February 18, 2026), "Wilhelmina van der Putten (1918-1960)".
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