Miracle of Flight is a 1974 British animated short comedy film written and directed by Terry Gilliam.
Two more try and also fall off the cliff (one has himself covered in tar and bird feathers, and another flattens his arms, so he can merely glide).
The scene then switch to a "certain country" where a "certain king" gathers his finest scientists at a research center on a high cliff to try and break the flight barrier, but all the king does is kick the scientists off a high cliff all the while loudly commanding "FLY!".
From below, people watch in astonishment, while one elderly woman throws bread crumbs on the pavement, muttering, "Nice little birdies."
Three hundred years later, a man living in Krakatau, East of Miami, invents the airline ticket.