1971 was a year in the 20th century.
Event[]
- Thursday, December 23: The first Dirty Harry film which introduces Clint Eastwood's character Harry Callahan (Basis for an alias of Marty McFly in 1931), premiered in theaters.
1985A / 2015C timeline[]
- Thursday, January 21:
- After an elderly Biff Tannen made himself rich by traveling back to 1955 to give his younger self a Grays Sports Almanac, his younger self became a millionaire by gambling as he knew the results before they happened. With his wealth, Biff wanted a mansion in Hill Valley. He barged into the Hill Valley City Council meeting, and demanded that his mansion plans be approved. Council member Goldie Wilson stated that the decision had to be unanimous, but Stanford S. Strickland vocally disapproved of the plans.
- After an attempt at bribing Strickland didn't work, Biff and his gang, Match, Skinhead and 3-D, got drunk and devised a plan to get back at Vice Principal Strickland.
- Friday, January 22:
- Vice Principal Strickland received a box of cigars with a card that claimed they were from someone that thanked him for standing up to Biff Tannen. He lit one in his office at the Hill Valley High School, and Biff took a photograph of him through the window. The cigar exploded in his face, and his office caught on fire. He tried to use a fire extinguisher to put the fire out, but Biff rigged it to accelerate the flames instead. Strickland rushed all of the teachers and students out of the school, and Biff sent the photograph to the authorities.
- Dates unknown:
- The Hill Valley Telegraph published the photograph of Vice Principal Strickland smoking the cigar in his office. S.S. Strickland was suspended from the city council pending an investigation into the fire.
- With Strickland off the council, Biff's mansion plans were approved.
1986B timeline[]
- Date unknown: After Emmett Brown and Edna Strickland used his wealth and knowledge and her moral values and tenacity to turn Hill Valley into a gated community, Edna ordered that the Town Theater be torn down as she claimed that movies were corrupting the younger generation.
Real life[]
- Friday, February 12: Scott Menville (Voice of the Ticket Officer in LEGO Dimensions) is born in Malibu, California.
- Sunday, May 30: Blue Ribbon Sports changed its name to Nike.
- Tuesday, September 22: Takarajimasha, the Japanese publisher of Back to the Future: Untold Tales was founded in Tokyo, Japan.