History of Animation By madison.jackson Apr 1, 1911 Winsor McCay produced an animation sequence using his comic strip character "Little Nemo." Apr 1, 1914 Winsor McCay produced a cartoon called "Gertie, The Trained Dinosaur" which amazingly consisted of 10,000 drawings. Apr 1, 1923 Walt and Roy Disney found Disney Brothers Cartoon Studios Apr 2, 1923 Walt Disney extended Max Fleischer's technique of combining live action with cartoon characters in the film "Alice's Wonderland". Apr 1, 1995 Toy Story first full-length 3D CG feature film.