Beatlemania hit the U.S.A. in full force after John, Paul, George and Ringo played 'The Ed Sullivan Show' on Feb. 9, 1964 Rachel DeSantis is a senior writer on the music team at PEOPLE.

Martin Lewis: The audience was still in the 1950s. They were still in that ... And yet, by the time of “The Ed Sullivan Show” 45 days later, 73 million people tuned in. How did that happen?

In December 1957, Lymon appeared on “The Ed Sullivan Show” to sing “Goody Goody ... America in the 1950s: postwar economy roaring, a chicken in every pot and two cars in every garage ...

Mattel honored The Beatles last year with a one-of-a-kind, construction set celebrating the 60th anniversary of the band’s first performance on The Ed Sullivan Show. Now, the MEGA x The Beatles ...

McCall moved to Hollywood in the mid-1950s and appeared in small parts ... the episode of The Ed Sullivan Show that introduced the Beatles to the United States in 1964. In the 1970s and '80s ...