18 May 1933 The U.S. government established the Tennessee Valley Authority to control floods and produce electrical power along the Tennessee River and its tributaries.
Tennessee Valley Authority, article from Wikipedia     https://en.wikipedia.org/wiki/Tennessee_Valley_Authority

THE TVA SONG   - Pete Seeger      https://www.youtube.com/watch?v=jPWIm1MJnTY
TVA   - Drive-By Truckers       https://www.youtube.com/watch?v=M_8UWxVws6A