The temperature on April 10, 1961 was between 4.7 °C and 16.1 °C and averaged 9.9 °C. There was 11.2 hours of sunshine (83%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 3 » The SL-1 nuclear reactor is destroyed by a steam explosion in the only reactor incident in the United States to cause immediate fatalities.
May 28 » Peter Benenson's article The Forgotten Prisoners is published in several internationally read newspapers. This will later be thought of as the founding of the human rights organization Amnesty International.
July 20 » French military forces break the Tunisian siege of Bizerte.
September 16 » Pakistan establishes its Space and Upper Atmosphere Research Commission with Abdus Salam as its head.
September 16 » The United States National Hurricane Research Project drops eight cylinders of silver iodide into the eyewall of Hurricane Esther. Wind speed reduces by 10%, giving rise to Project Stormfury.
October 30 » The Soviet Union detonates the Tsar Bomba, the most powerful explosive device ever detonated.
When copying data from this family tree, please include a reference to the origin: Wesley Brown, "The Brown Tree", database, Genealogy Online (https://www.genealogieonline.nl/the-brown-tree/P854.php : accessed February 18, 2026), "Bernard CUNNINGHAM (± 1908-1961)".
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