It is a well known fact that The Wizard of Oz is the 'most seen' movie in history.  It's been estimated that it has been viewed over a billion times since it's original release in 1939. I doubt seriously that you'd be able to find any person on any city street in any industrialized country that could not immediately identify these shoes - and where they came from.

This is the page where you'll find information regarding the original ruby slippers.  The shoes that many people consider to be the ultimate piece of movie memerobilia, in fact, a piece of the Amercian culture. 

Please select one of the following links to find out more about the existing known pairs of ruby slippers.