Premiered locally in Chicago in 1984, went national in 1986.
Originally, it began under the title AM Chicago.
The show was taped at Harpo studios which is Oprah spelled backwards.
For awhile in the 1980s and 1990s all of the talk shows; including Phil Donahue and Oprah; were based in Chicago.
"You go girl!" This was Oprah's catchphrase for the first ten years; she made it a national catchphrase.