Special Sgt. Pepper illustration celebrates Beatles invasion

We didn't know we were tuning in to history.

When four lads from Liverpool appeared on "The Ed Sullivan Show" on Feb. 9, 1964, a revolution started.

In honor of that event, we bring you the cover of the Beatles' historic "Sgt. Pepper" album featuring people from the Crossroads.

To read the entries to our Beatles essay contest, click here. To read about the contest winner, click here.

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50 years later, Beatlemania continues