Alice's Wonderland (1923)

Alice's Wonderland (1923) is a Walt Disney short silent film, in black and white, produced in Kansas City, Missouri. This short was the first of Walt Disney's famous Alice Comedies and had a working title of Alice in Slumberland. The film was never shown theatrically, but was instead shown to prospective film distributors. It was included as a bonus feature in the Special "Un-Anniversary Edition" of Alice in Wonderland.

More at Wikipedia.