1946 was a year in the 20th century.
- Thursday, February 14: Gilda is released to theaters.
- Wednesday, May 15: Mr. Strickland watches Gilda at the Essex Theater in celebration of his 21st birthday.
- Thursday, May 16: Biff Tannen bullies George McFly for his lunch money at Hill Valley Elementary School. After being informed by Lorraine Baines about the situation, Miss Hodges scolds Biff and threatens to send him to military school in Idaho, but Mr. Strickland intervenes and pleas that Biff be given understanding and tolerance.
- Date unknown: Miss Hodges retires from Hill Valley Elementary School.
Behind the scenes
- Tuesday, March 12:
- Friday, September 13: Frank Marshall (of the Back to the Future trilogy executive producers) is born.
- Wednesday, December 18: Steven Spielberg (Executive producer of the Back to the Future trilogy) is born.