1884 was a year in the 19th century.
- Date Unknown: An editor of the Hill Valley Telegraph was shot by Buford Tannen after he published an unfavorable story about him, forcing the next editor to not publish any material on the gunslinger.
- Date Unknown: Martha Clayton passes away.
- Back to the Future Part III (Mentioned only)
- Back to the Future: Untold Tales and Alternate Timelines
- Issue 5: "Clara's Story" (Mentioned only)