In 1942..."The Better Half,", a quiz show, was first aired on Mutual Radio.
In 1943...Singer Jim Croce was born. He died in a plane crash on September 20, 1973 at 30
In 1945...Singer Rod Stewart was born.
In 1949...RCA Victor announced the creation of a new record format logically nicknamed the "45," since the two-sided seven-inch vinyl discs were designed to play at 45-RPM. 1949 RCA 9Y7 45 rpm record and radio in bleach blond mahogany with AM radio playing Someone you love by Nat King Cole.
In 1964...The first North American Beatles album, "Introducing The Beatles," was released by Chicago-based Vee-Jay Records. The label was forced to stop selling the disc by the end of the year because of legal complications, after 1.3 million copies of the album had been sold.
In 1965...Howard Cosell does first “Speaking of Everything” program on 77 WABC in NYC.
In 1969...Frustrated by Paul McCartney's dominance during the filming of "Let It Be," George Harrison nonchalantly told the rest of the band that he was quitting immediately and sarcastically said as he walked out, "See you around the clubs." George later stated that while he had a growing backlog of new material, he constantly had to work on Lennon and McCartney's songs before the group would work on his. George was the second Beatle to quit; Ringo had left the group for a brief period a year earlier.
In 1987...NRSC-1 goes into effect to establish AM emphasis/de-emphasis curves. Read more here.
In 2007...Wilks Broadcast Group completed $138 million acquisition of radio stations in Kansas City and Columbus from CBS Corporation