On this day in 1921, KDKA-AM becamse the site of the first live sporting event to be broadcast on Radio. It was a boxing match featuring Johnny Ray and Johnny Dundee.
On this day in 1924, WLS-AM, Chicago, Illinois began broadcasting.
On this day in 1929, KLO-AM, Ogden, Utah began broadcasting.
On this day in 1973, Norm N. Nite did his first show on WCBS-FM, New York, New York.
On this day in 1985, WJMK-FM, Chicago, Illinois held its "Rock 'N' Roll Reunion."
On this day in 1991, New York's "Museum of Broadcasting" changed its name to the "Museum of Radio & Television"
On this day in 2007, the cable simulcast of Don Imus' nationally syndicated radio show was canceled by MSNBC after Imus became embroiled in a controversy over racial comments made about the Rutgers women basketball team.