The temperature on December 29, 1961 was between -2.7 °C and 6.0 °C and averaged 2.5 °C. There was 0.5 mm of rain during 0.8 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
January 24 » Goldsboro B-52 crash: A bomber carrying two H-bombs breaks up in mid-air over North Carolina. The uranium core of one weapon remains lost.
January 31 » Project Mercury: Mercury-Redstone 2: Ham the Chimp travels into outer space.
February 16 » Explorer program: Explorer 9 (S-56a) is launched.
February 27 » The first congress of the Spanish Trade Union Organisation is inaugurated.
June 23 » The Antarctic Treaty System, which sets aside Antarctica as a scientific preserve and limits military activity on the continent, its islands and ice shelves, comes into force.
September 1 » The first conference of the Non-Aligned Countries is held in Belgrade, Yugoslavia.
When copying data from this family tree, please include a reference to the origin: Dirk Ham, "Family tree Ham en Dallinga", database, Genealogy Online (https://www.genealogieonline.nl/ham-stamboom/I8697.php : accessed February 23, 2026), "Gerben van Wieren (1937-1961)".
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