1. Two fans try out their Beatles wigs in anticipation of the British group's arrival in New York, 6 February 1964

2. The Beatles 1964

3. John and Paul, 1964

4. The Beatles, Paris, January 1964

5. Beatles Pillow Fight, George V Hotel, Paris, 1964

6. Beatles Arrival in New York - 1964.

7. The Beatles – left to right, John Lennon, Paul McCartney, Ringo Starr and George Harrison – arrive at New York's Kennedy airport, 7 February 1964

8. The Beatles wave to fans after arriving at Kennedy Airport. 7 February 1964

9. The Beatles on the Ed Sullivan show, New York 1964

10. Television host Ed Sullivan receives some guitar lessons from Paul McCartney in between rehearsals at CBS television studios in Manhattan, 8 February 1964

11. Ed Sullivan with the Beatles in between rehearsals at CBS television studios in Manhattan

12. Ed Sullivan, center, stands with The Beatles during a rehearsal for the British group's first American appearance, on the "Ed Sullivan Show," in New York on Feb. 9, 1964. From left: Ringo Starr, George Harrison, Sullivan, John Lennon and Paul McCartney. The rock 'n' roll band known as "The Fab Four" was seen by 70 million viewers. "Beatlemania" swept the charts with twenty No. 1 hits and more than 100 million records sold

13. The Beatles and Cassius Clay Miami 1964

14. The Beathes with Cassius Clay, Miami, February 1964

15. The Beatles take a fake blow from Cassius Clay while visiting the heavyweight contender at his training camp in Miami Beach, Fla. on February 18, 1964.

16. The Beatles' February visit caused such a stir, the band returned to America for a month-long tour in August. A crowd of about 10,000 turned out to greet the band ahead of their Cow Palace show in San Mateo, California, 19 August 1964

17. A fan in the crowd watches them perform at the Seattle Centre Coliseum, 24 August 1964

18. A screaming fan watches the band perform on stage at Carnegie Hall, New York, 1964

19. Police enforce the barricades outside New York's Plaza Hotel as fans push forward in hopes of a view of The Beatles after their arrival for an American tour on February 7, 1964. 

20. 1964: Fans crowding the street outside the London Pavilion before a screening of the Beatles' first feature-length film, 'A Hard Day's Night'.

21. March 15, 1964: Beatle fans scream at a local Fox West-Coast Theater during rebroadcast nationally by closed-circuit TV of the band's recent concert in Washington.

22. Aug. 23, 1964: Officer Robert Yocum informs Beatle fans Chelie Mylott and Melody Yapscott, right, that they'll have to move from their spot in front of the Hollywood Bowl. The girls had no tickets but hoped to get them from scalpers or sneak in.

23. Aug. 25, 1964: Beatle fans run pass barricades and rush policemen in effort to reach Bel-Air home where the band was staying.

24. Press and fans greet The Beatles as they arrive by train in Washington 1964

25. George Harrison takes a photo of Ringo Starr on the train to DC

26. Ringo Starr on the train to DC

27. Having conquered America during their brief but historic first visit, John, Paul, George and Ringo relax in a Miami Beach pool in February 1964 before returning to London.

28. The Beatles, Miami Beach, February 1964

29. Ringo, Miami Beach, February 1964

30. Drummer Ringo Starr of The Beatles on a beach in Miami, Florida, getting kissed by female fans, circa February 1964.

31. Pop group The Beatles on a beach in Miami, Florida, surrounded by female fans, circa February 1964.

32. Part of the audience watching The Beatles rehearse for the 'Round The Beatles' TV show at the Rediffusion TV studios in Wembley, London, 27th April 1964.

33. Beatles fans beset the stage during the group's US tour, August 1964. 

34. Beatles fans are attended to by paramedics, having been overcome during the group's US tour, August 1964. 

35. A policewoman covers her ears against the screams of all the Beatles' fans in London, April 6, 1964. 

36. 7th July 1964: Beatles fans crowded outside the London Pavilion waiting for the band to arrive for the premiere of their first film 'A Hard Day's Night'.

37. 10th February 1964: A group of Beatles fans watching their heroes perform on the American television programme 'The Ed Sullivan Show'.

38. 18th August 1964: A few of the thousands of fans who braved torrential rain at London Airpoprt to welcome the Beatles back from the United States.

39. A tearful Beatles lover pleads unsuccessfully with a policeman to carry her fan button to Ringo, one of the four mop-top singers who drew squeals and shrieks from more than 30,000 spectators at two Indiana State Fair shows in Indianapolis on Sept. 4, 1964.

40. Beatles fans show emotion during a concert at Ernst-Merck-Halle in Hamburg, Germany on June 26, 1964.

41. Fans at the first Beatles concert in America, Washington, DC, Feb. 11, 1964