The #1 song on October 21, 1975

Bad Blood By Neil Sedaka

Other #1 songs on October 21, 1975

UK #1 Song

I Only Have Eyes for You
Art Garfunkel

#1 R&B Song

To Each His Own
Faith Hope and Charity

#1 Country Song

San Antonio Stroll
Tanya Tucker

#1 Dance Track

Love to Love You Baby
Donna Summer

Notable October 21 birthdays in the 1970s

Bada Kim
Pop Singer
Born October 21, 1971
Nathan Welton
Photographer
Born October 21, 1977
Matthew Friedberger
Guitarist
Born October 21, 1972
Louis Koo
Movie Actor
Born October 21, 1970
Beverley Turner
TV Show Host
Born October 21, 1973
Vacca
Rapper
Born October 21, 1979
Nakia Burrise
TV Actress
Born October 21, 1974
Jeremy Miller
TV Actor
Born October 21, 1976