The #1 song on January 21, 1983

Down Under By Men at Work

Other #1 songs on January 21, 1983

UK #1 Song

You Can't Hurry Love
Phil Collins

#1 R&B Song

The Girl Is Mine
Michael Jackson & Paul McCartney

#1 Country Song

(Lost His Love) On Our Last Date
Emmylou Harris

#1 Dance Track

Thriller (all cuts)
Michael Jackson

Notable January 21 birthdays in the 1980s

Linda Yan
World Music Singer
Born January 21, 1982
Jacob Smith
Movie Actor
Born January 21, 1990
Kim Michelle Sharma
Movie Actress
Born January 21, 1980
Jolette Navarrete
TV Show Host
Born January 21, 1984
Jean Philippe Cretton
TV Show Host
Born January 21, 1985