The temperature on December 15, 1968 was between -6.3 °C and 1.5 °C and averaged -1.8 °C. There was 0.3 mm of rain during 0.5 hours. The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 13 » Johnny Cash performs live at Folsom State Prison.
January 21 » Vietnam War: Battle of Khe Sanh: One of the most publicized and controversial battles of the war begins.
December 9 » Douglas Engelbart gave what became known as "The Mother of All Demos", publicly debuting the computer mouse, hypertext, and the bit-mapped graphical user interface using the oN-Line System (NLS).
December 10 » Japan's biggest heist, the still-unsolved "300 million yen robbery", is carried out in Tokyo.
December 20 » The Zodiac Killer kills Betty Lou Jenson and David Faraday in Vallejo, California.
December 21 » Apollo program: Apollo 8 is launched from the Kennedy Space Center, placing its crew on a lunar trajectory for the first visit to another celestial body by humans.
When copying data from this family tree, please include a reference to the origin: Tom, "Stammbaum Grütter", database, Genealogy Online (https://www.genealogieonline.nl/stammbaum-grutter/P1191.php : accessed January 4, 2026), "Nelie Smith (1891-1968)".
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