The premiere of Steamboat Willie blows audiences away with its innovative use of sound. Mickey Mouse soon becomes a phenomenon.
Walt Disney gathered his animators and studio staff together and told them of his newest idea.
Walt Disney had to come up with something "new and clever in animated cartoons" to save his Laugh-O-grams company.
Writer Ron Suskind explains how a "simple story" like Dumbo can still pack an emotional punch.