1923 : Creation of the first __ Walt Disney Studio 1928 : Mickey's __ Birth 1932 : Disney's first - color __ cartoon __ Flowers and Trees 1937 : Disney's first __ feature-length __ animated film __ Snow White.. 1950 : Disney's first __ TV show airs 1955 : Disneyland opens 1971 : Walt Disney World __ opens 1983 : The Disney Channel __ begins broadcasting 2000 : Disney Purchases __ Pixar