Definitions for black dog. Here are all the possible meanings and translations of the word black dog. Freebase(0.00 / 0 votes)Rate this definition: Black Dog is a 1998 film about an ex-con manipulated into transporting illegal arms.
On May 18, 1933, President Roosevelt signed the Tennessee Valley Authority Act, as part of the flurry of legislation that marked Roosevelt`s first 100 days in office.
The Supreme Court of the United States ruled TVA to be constitutional in Ashwander v. Tennessee Valley Authority, 297 U.S. 288 (1936). The Court noted that regulating commerce among the states includes regulation of streams and that controlling floods is required for keeping streams navigable.