March 20

Shorts

 * 1942 - Symphony Hour

Television

 * 1957 - The Disneyland episode "The Adventure Story" premieres.
 * 2007 - The Mickey Mouse Clubhouse episode "Mickey's Great Clubhouse Hunt" premieres on Playhouse Disney.
 * 2014 - The Once Upon a Time episode "Heart of the Matter" premieres on ABC.

Births

 * 1883 - Colin Campbell (voice actor)
 * 1914 - Crahan Denton (actor)
 * 1922 - Carl Reiner (director, producer, writer, and comedian)
 * 1928 - Fred Rogers (educator, songwriter, author, and television host)
 * 1931 - Hal Linden (actor and director)
 * 1958 - Louis Sachar (writer); Holly Hunter (actress and producer)
 * 1963 - David Thewlis (actor); Kathy Ireland (model, actress, and designer)
 * 1970 - Linda Larkin (actress)
 * 1984 - Christy Carlson Romano (actress and singer)

Deaths

 * 1988 - Ralph Wright (animator and writer)
 * 2003 - Michael Jeter (actor)