The temperature on September 21, 1910 was between 4.1 °C and 15.2 °C and averaged 9.8 °C. There was 1.7 mm of rain. There was 7.0 hours of sunshine (57%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
March 8 » French aviator Raymonde de Laroche becomes the first woman to receive a pilot's license.
June 25 » The United States Congress passes the Mann Act, which prohibits interstate transport of women or girls for “immoral purposes”; the ambiguous language would be used to selectively prosecute people for years to come.
July 4 » The Johnson–Jeffries riots occur after African-American boxer Jack Johnson knocks out white boxer Jim Jeffries in the 15th round. Between 11 and 26 people are killed and hundreds more injured.
November 7 » The first air freight shipment (from Dayton, Ohio, to Columbus, Ohio) is undertaken by the Wright brothers and department store owner Max Moorehouse.
December 3 » Modern neon lighting is first demonstrated by Georges Claude at the Paris Motor Show.
When copying data from this family tree, please include a reference to the origin: Gerald Colan-O'Leary, "Colan-O'Leary Tree", database, Genealogy Online (https://www.genealogieonline.nl/colan-o-leary-tree/P1466.php : accessed May 4, 2025), "Rollo Charles Luson (1910-1980)".
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