The temperature on June 27, 1910 was between 6.7 °C and 16.0 °C and averaged 12.3 °C. There was 2.6 mm of rain. There was 5.5 hours of sunshine (33%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. 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.
April 12 » SMSZrínyi, one of the last pre-dreadnought battleships built by the Austro-Hungarian Navy, is launched.
April 16 » The oldest existing indoor ice hockey arena still used for the sport in the 21st century, Boston Arena, opens for the first time.
June 25 » Igor Stravinsky's ballet The Firebird is premiered in Paris, bringing him to prominence as a composer.
August 29 » The Japan–Korea Treaty of 1910, also known as the Japan–Korea Annexation Treaty, becomes effective, officially starting the period of Japanese rule in Korea.
November 10 » The date of Thomas A. Davis' opening of the San Diego Army and Navy Academy, although the official founding date is November 23, 1910.
Day of death June 7, 2000
The temperature on June 7, 2000 was between 6.0 °C and 16.6 °C and averaged 12.3 °C. There was 0.2 mm of rain during 0.2 hours. There was 7.2 hours of sunshine (43%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
February 6 » Second Chechen War: Russia captures Grozny, Chechnya, forcing the separatist Chechen Republic of Ichkeria government into exile.
April 5 » UEFA Cup semi-final violence: Four Galatasaray fans are arrested for the stabbings to death of two Leeds United fans.
May 25 » Liberation Day of Lebanon: Israel withdraws its army from Lebanese territory (with the exception of the disputed Shebaa farms zone) 18 years after the invasion of 1982.
August 12 » The Russian Navy submarine Kursk explodes and sinks in the Barents Sea during a military exercise, killing her entire 118-man crew.
September 14 » Microsoft releases Windows ME.
December 12 » The United States Supreme Court releases its decision in Bush v. Gore.
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/P13990.php : accessed January 14, 2026), "Mary Constance Grosvenor (1910-2000)".
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