1979A was an ABC timeline and a year in the 20th century. It was created when an elderly Biff Tannen from 2015 gave his younger self from 1955 a sports almanac to make himself rich. Events Biff Tannen's Pleasure Paradise Casino & Hotel Dates unknown: Hill Valley High School burned down and was never rebuilt. Biff Tannen successfully legalized gambling in Hill County. Construction on Biff Tannen's Pleasure Paradise Casino & Hotel began. Real-world Friday, August 10: Michael Jackson releases Off the Wall. A poster of this album is seen in Loretta's bedroom in 1985A. Retrieved from "https://backtothefuture.fandom.com/wiki/1979A?oldid=54731" Categories: Years Community content is available under CC-BY-SA unless otherwise noted.