The #1 song on August 21, 1978

Grease By Frankie Valli

Other #1 songs on August 21, 1978

UK #1 Song

Three Times a Lady
Commodores

#1 R&B Song

Get Off
Foxy

#1 Country Song

Talking in Your Sleep
Crystal Gayle

#1 Dance Track

Dance (Disco Heat)/ You Make Me Feel (Mighty Real)
Sylvester

Notable August 21 birthdays in the 1970s

Kelis

Born August 21, 1979
Alex Brooks

Born August 21, 1976
Alicia Witt

Born August 21, 1975
Sergey Brin

Born August 21, 1973
Craig Counsell

Born August 21, 1970