Dumbo is an American animated film produced by Walt Disney Productions and premiered on October 23, 1941, by RKO Radio Pictures. Sound was recorded conventionally using the RCA System. One voice was synthesized using the Sonovox system, but it, too, was recorded using the RCA System.
A flock of storks deliver babies while circus animals are being transported by train from their winter quarters. Mrs. Jumbo, one of the elephants, receives her baby who is soon tormented by the other female elephants because of his large ears, and they nickname him Dumbo.Once the circus is assembled, Mrs. Jumbo loses her temper at a group of boys for tormenting Dumbo, and is locked up and deemed mad. Dumbo is shunned by the other elephants and with no mother to care for him, he is now alone. Timothy Q. Mouse, who feels sympathy for Dumbo and becomes determined to make him happy again, appoints himself as Dumbos mentor and protector. ........
Source: Wikipedia