March 1 » Henri Becquerel discovers radioactive decay.
May 26 » Charles Dow publishes the first edition of the Dow Jones Industrial Average.
June 15 » The deadliest tsunami in Japan's history kills more than 22,000 people.
June 28 » An explosion in the Newton Coal Company's Twin Shaft Mine in Pittston, Pennsylvania results in a massive cave-in that kills 58 miners.
August 17 » Bridget Driscoll became the first recorded case of a pedestrian killed in a collision with a motor car in the United Kingdom.
September 21 » Anglo-Egyptian conquest of Sudan: British forces under the command of Horatio Kitchener take Dongola.
Day of death December 23, 1966
The temperature on December 23, 1966 was between 3.8 °C and 8.8 °C and averaged 6.9 °C. There was 1.3 mm of rain during 1.9 hours. The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
March 17 » Off the coast of Spain in the Mediterranean, the DSVAlvin submarine finds a missing American hydrogen bomb.
March 31 » The Soviet Union launches Luna 10 which later becomes the first space probe to enter orbit around the Moon.
July 15 » Vietnam War: The United States and South Vietnam begin Operation Hastings to push the North Vietnamese out of the Vietnamese Demilitarized Zone.
September 12 » Gemini 11, the penultimate mission of NASA's Gemini program, and the current human altitude record holder (except for the Apollo lunar missions).
October 9 » Vietnam War: South Korean troops commit the Binh Tai Massacre.
December 5 » The musical I Do! I Do!, starring Mary Martin and Robert Preston opens at the 46th Street Theatre, in New York City, and closes on June 15, 1968, after 560 performances.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentele of Geurt Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/geurt-jacobs/I36454.php : accessed February 24, 2026), "Hendrikje Bos (1896-1966)".
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