An overview of Disney-related events that occured on December 20 through the years.
- 1946 - Double Dribble
- 1961 - Aquamania
- 1968 - Winnie the Pooh and the Blustery Day
- 1974 - Winnie the Pooh and Tigger Too!
- 1968 - The Horse in the Gray Flannel Suit
- 1972 - Snowball Express
- 1974 - The Island at the Top of the World
- 1975 - Snow White and the Seven Dwarfs (theatrical rerelease)
- 1985 - One Hundred and One Dalmatians (theatrical rerelease)
- 1991 - Father of the Bride
- 2013 - Saving Mr. Banks (nationwide)
- 2019 - Star Wars: The Rise of Skywalker
- 2024 - Avatar 3 (20th Century Studios)
Theme park happenings
- 1997 - The 101 Dalmatians: The Series episode "A Christmas Cruella" premieres on ABC.
- 2019 - ABC airs the special Celebrating Marvel's Stan Lee.
- The Disney Family Sundays episode "Mickey Mouse: Wreath" premieres on Disney+.
- The Encore! episode "Godspell - 1998 - Houston, TX" premieres on Disney+.
- The High School Musical: The Musical: The Series episode "Thanksgiving" premieres on Disney+.
- The Marvel's Hero Project episode "The Dazzling Lorelei" premieres on Disney+.
- The One Day at Disney episode "Sage Steele: SportsCenter Anchor" premieres on Disney+.
- Pick of the Litter premieres on Disney+ with "Meet the Dogs".
- The World According to Jeff Goldblum episode "Bikes" premieres on Disney+.
- 2012 - Cinderella
- 1909 - Amby Paliwoda (animator)
- 1941 - Tommy Cole (makeup artist, actor, and singer)
- 1952 - Jenny Agutter (actress)
- 1991 - Jillian Rose Reed (actress and voice actress)