1926 was a year in the 20th century.
- Tuesday, March 16: Jerry Lewis is born in Newark, New Jersey.
- Tuesday, June 1: Marilyn Monroe (Ex-wife of Biff Tannen in the alternate 1985A timeline) is born in Los Angeles, California.
- Thursday, August 5: Jules Brown, Verne and Marty arrive to this date to prevent 4-year-old Emmett Brown from having an accident which resulted in him being afraid of fishing.
- Monday, October 18: Chuck Berry is born.
- Date Unknown: 12-year-old Emmett Brown attempts to dig to the center of the earth after being inspired by Jules Verne's novel Journey to the Center of the Earth, but he doesn't get far.
- Tuesday, April 6: Gil Kane (cover artist for Harvey Comics' Back to the Future series) is born in Miami, Florida.