1931A was an ABC timeline. It was a version of 1931 where Dr. Emmett Brown, under the pseudonym Carl Sagan, was looking for information about Marty McFly's grandmother.
Differences[]
- "Carl Sagan" was caught in the Hill Valley speakeasy blast, and was arrested in suspicion for the arson.
- "Carl Sagan" was killed by Kid Tannen in retaliation of for the arson of his speakeasy, and went down in history as the Hill Valley speakeasy arsonist. Originally, the speakeasy arson was unsolved.