The following events occurred in 1961.
- Every window in the greater Hill Valley Medfield Basin is broken due to a botched science experiment performed by Dr. Emmett Brown (Back to the Future: The Animated Series: "Forward to the Past")
- Saturday, July 1: Diana, Queen (Princess in Real-Life) of England is born.
- Casey Siemaszko (3-D) was born on Friday, March 17, in Chicago, Illinois.
- Cathy Cavadini (Jennifer Parker) was born on Friday, April 21 in New York City, New York.
- Lea Thompson (Lorraine and Maggie) was born on Wednesday, May 31, in Rochester, Minnesota.
- Michael J. Fox (Marty) was born on Friday, June 9, in Edmonton, Alberta, Canada.
- David Kaufman (also Marty) was born on Sunday, July 23 in St. Louis, Missouri.
- Michael Tavera (Musical composer for The Animated Series) was born on Sunday, September 24 in Los Angeles, California.
- Eric Stoltz, who was originally cast as Marty, was born on Saturday, September 30, in Whittier, California.