Steamboat Willie, 1928. First animated video with synchronized sound.
Young Sherlock Holmes, 1985. First film to use a photorealistic CGI character.
Luxo Jr., 1986. First use of shadows in CGI film, first Academy Award nomination for a CGI film
The Great Mouse Detective, 1986. First animated film to be aided (extensively) by computer animation)
The Rescuers Down Under, 1990. First Disney film to use the CAPS system of animation
Dinosaur, 2000. CGI characters on live-action background
Chicken Little, 2005. Disney's first fully CGI movie.
The Princess and the Frog, 2009. Disney returns to tradigital animation after re-opening the traditional animation studios following a lackluster run of CGI films.
Tangled, 2010. Disney sets its new pattern, altering between a traditional film one year and a CGI film the next.