The temperature on June 16, 1961 was between 8.3 °C and 22.4 °C and averaged 15.9 °C. There was 6.6 hours of sunshine (39%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
February 3 » The United States Air Forces begins Operation Looking Glass, and over the next 30 years, a "Doomsday Plane" is always in the air, with the capability of taking direct control of the United States' bombers and missiles in the event of the destruction of the SAC's command post.
March 30 » The Single Convention on Narcotic Drugs is signed in New York City.
April 25 » Robert Noyce is granted a patent for an integrated circuit.
October 1 » The United States Defense Intelligence Agency is formed, becoming the country's first centralized military intelligence organization.
October 27 » NASA tests the first Saturn I rocket in Mission Saturn-Apollo 1.
November 21 » The "La Ronde" opens in Honolulu, first revolving restaurant in the United States.
When copying data from this family tree, please include a reference to the origin: Gijsbertus Cornelis (Bert) Severijn, "Family tree Severijn", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-severijn/I11967.php : accessed February 14, 2026), "Cynthia Ann Speelman (1961-)".
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