September 18 In 1819 Leon Foucault , the physicist who proved that the earth rotates, was born in France. Academy Award winning actress, Claudette Colbert was born in Paris in 1905. Joe Kittinger lands his hot air balloon in Italy, completing the first solo balloon crossing of the Atlantic.
September - President O'Harra recommends that the name of institution be changed to "The Black Hills Institute of Technology". [Fifteenth Biennial Report of the Regents of Education of the State of South Dakota to the Governor for the Biennial Period Ending June 30, 1918, Fiscal Years 1916-17, 1917-18. pt.1, pg. 107]