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Debut of Mickey Mouse
Steamboat Willie is an animated cartoon released on November 18, 1928. It was the first Mickey Mouse sound cartoon (Mickey had appeared in two earlier cartoons, Plane Crazy and The Gallopin' Gaucho). It was also the first cartoon in history to feature synchronized sound.

The cartoon was written and directed by Walt Disney and Ub Iwerks. The title is a parody of the Buster Keaton film Steamboat Bill Jr. Music for Steamboat Willie was put together by Wilfred Jackson, one of Disney's animators — not, as sometimes reported, by Carl Stalling — and comprises popular melodies including "Steamboat Bill" and "Turkey in the Straw".