On Feb. 9, 1964, the world of rock music -- and American culture in general -- was turned upside down by the Beatles' debut performance on The Ed Sullivan Show.
There have been more books, movies, and other assorted tributes to the Beatles than any other act of the rock era, but that doesn't mean Fab Four lore can't hold a few surprises even after all these years.
Not all cultural revolutions take place overnight. Some begin with little fanfare and take a while to gather steam. That's exactly what happened on Oct. 5, 1962, when the Beatles released their first single, 'Love Me Do,' in the U.K.