The temperature on April 15, 1911 was between 5.3 °C and 15.2 °C and averaged 9.8 °C. There was 10.7 hours of sunshine (77%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
May 23 » The New York Public Library is dedicated.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
August 1 » Harriet Quimby takes her pilot's test and becomes the first U.S. woman to earn an Aero Club of America aviator's certificate.
September 23 » Pilot Earle Ovington makes the first official airmail delivery in America under the authority of the United States Post Office Department
October 13 » Prince Arthur, Duke of Connaught and Strathearn, becomes the first Governor General of Canada of royal descent.
Day of death March 9, 2000
The temperature on March 9, 2000 was between 6.4 °C and 13.6 °C and averaged 10.7 °C. There was 3.3 mm of rain during 2.9 hours. There was 0.4 hours of sunshine (4%). The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
February 5 » Russian forces massacre at least 60 civilians in the Novye Aldi suburb of Grozny, Chechnya.
June 21 » Section 28 (of the Local Government Act 1988), outlawing the 'promotion' of homosexuality in the United Kingdom, is repealed in Scotland with a 99 to 17 vote.
September 14 » Microsoft releases Windows ME.
October 11 » NASA launches STS-92, the 100th Space Shuttle mission.
November 1 » Chhattisgarh officially becomes the 26th state of India, formed from sixteen districts of eastern Madhya Pradesh.
November 15 » Jharkhand officially becomes the 28th state of India, formed from eighteen districts of southern Bihar.
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/P15472.php : accessed January 21, 2026), "Spelman W Prentice (1911-2000)".
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