1981 was a year in the 20th century.
- Unknown date: George McFly bought clothes at Sears, which he still wore in 1985.[1]
- Unknown date: The 1982 DeLorean DMC-12 is first constructed and sold.
- Biff Tannen Jr. was born to Biff Tannen and an unknown woman.[2]
References
- ↑ BTTF novel p.28
- ↑ "Verne Hatches an Egg": Assuming Biff Jr. is about 11 in 1992, which would place his birth in 1981.