The temperature on January 23, 1966 was between -0.5 °C and 1.2 °C and averaged 0.5 °C. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
May 16 » The Communist Party of China issues the "May 16 Notice", marking the beginning of the Cultural Revolution.
May 26 » British Guiana gains independence, becoming Guyana.
June 8 » Topeka, Kansas, is devastated by a tornado that registers as an "F5" on the Fujita scale: The first to exceed US$100million in damages. Sixteen people are killed, hundreds more injured, and thousands of homes damaged or destroyed.
October 21 » A colliery spoil tip collapses on the village of Aberfan in Wales, killing 144 people, mostly schoolchildren.
November 4 » The Arno River floods Florence, Italy, to a maximum depth of 6.7m (22ft), leaving thousands homeless and destroying millions of masterpieces of art and rare books. Also Venice was submerged on the same day at its record all-time acqua alta of 194cm (76in).
December 27 » The Cave of Swallows, the largest known cave shaft in the world, is discovered in Aquismón, San Luis Potosí, Mexico.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I68703.php : accessed December 29, 2025), "Joanna Thomas (± 1877-1966)".
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