The temperature on May 4, 1960 was between 0.2 °C and 18.1 °C and averaged 9.6 °C. There was 9.9 hours of sunshine (66%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
January 21 » Little Joe 1B, a Mercury spacecraft, lifts off from Wallops Island, Virginia with Miss Sam, a female rhesus monkey on board.
April 13 » The United States launches Transit 1-B, the world's first satellite navigation system.
May 16 » Theodore Maiman operates the first optical laser (a ruby laser), at Hughes Research Laboratories in Malibu, California.
August 16 » Cyprus gains its independence from the United Kingdom.
September 14 » The Organization of Petroleum Exporting Countries (OPEC) is founded.
December 13 » While Emperor Haile Selassie of Ethiopia visits Brazil, his Imperial Bodyguard seizes the capital and proclaims him deposed and his son, Crown Prince Asfa Wossen, Emperor.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P18052.php : accessed February 24, 2026), "William Leland Hayward (1902-1971)".
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