The temperature on July 11, 1910 was between 9.8 °C and 21.9 °C and averaged 16.0 °C. There was 10.4 hours of sunshine (63%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
February 8 » The Boy Scouts of America is incorporated by William D. Boyce.
March 8 » French aviator Raymonde de Laroche becomes the first woman to receive a pilot's license.
June 19 » The first Father's Day is celebrated in Spokane, Washington.
September 12 » Premiere performance of Gustav Mahler's Symphony No. 8 in Munich (with a chorus of 852 singers and an orchestra of 171 players. Mahler's rehearsal assistant conductor was Bruno Walter).
October 21 » HMSNiobe arrives in Halifax Harbour to become the first ship of the Royal Canadian Navy.
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 March 21, 1960
The temperature on March 21, 1960 was between -0.7 °C and 5.8 °C and averaged 2.7 °C. There was 0.1 hours of sunshine (1%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 28 » The National Football League announced expansion teams for Dallas to start in the 1960 NFL season and Minneapolis-St. Paul for 1961 NFL season.
August 1 » Dahomey (later renamed Benin) declares independence from France.
August 9 » South Kasai secedes from the Congo.
August 13 » The Central African Republic declares independence from France.
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.
December 14 » Convention against Discrimination in Education of UNESCO is adopted.
When copying data from this family tree, please include a reference to the origin: W.J. Oving, "Family tree Oving", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oving/I25866.php : accessed February 2, 2026), "Grada Maria Tonia KLEIN GUNNEWIEK (1910-1960)".
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