1980 was a year in the 20th century.
Events
- Sunday, August 24:
- After George McFly knocks out Biff Tannen in 1955, Biff Tannen to Biff Tannen opens Biff's Auto Detailing.[1] (1985A-I)
- Biff Tannen's Pleasure Paradise Casino & Hotel opens.[1] (1985A)
- Date Unknown:
- Twelve-year-old Marty McFly skateboards down the Courthouse steps, receiving a scar on his left knee.[2]
Real-world
- Saturday, February 2: The Off the Wall single was released, making it Michael Jackson's first song to be released in the 1980s.