The temperature on December 29, 1956 was between -0.7 °C and 6.8 °C and averaged 2.6 °C. There was 4.2 mm of rain during 2.8 hours. The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
February 20 » The United States Merchant Marine Academy becomes a permanent Service Academy.
June 20 » A Venezuelan Super-Constellation crashes in the Atlantic Ocean off Asbury Park, New Jersey, killing 74 people.
June 30 » A TWA Super Constellation and a United Airlines DC-7 collide above the Grand Canyon in Arizona and crash, killing all 128 on board both airliners.
September 13 » The IBM 305 RAMAC is introduced, the first commercial computer to use disk storage.
September 27 » USAF Captain Milburn G. Apt becomes the first person to exceed Mach 3. Shortly thereafter, the Bell X-2 goes out of control and Captain Apt is killed.
October 15 » FORTRAN, the first modern computer language, is first shared with the coding community.
When copying data from this family tree, please include a reference to the origin: Jaap Geensen, "Geensen database", database, Genealogy Online (https://www.genealogieonline.nl/geensen-database/I1049.php : accessed March 9, 2026), "Geensen (1956)".
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