The one that ended an era. By the mid-1950s, Walt Disney was feeling decidedly exhausted. Since Pinocchio in 1940, Walt Disney Productions had released a new feature-length animated film every single year, bar one gap in 1952. The construction of Disneyland was now taking up the bulk of Walt's time, particularly as its July 1955 opening day grew closer on the horizon. Despite Lady and the Tramp standing as Disney's biggest box office success in almost 20 years, it was time for the animation studio to take a break. That...