"Love Me Do" was the Beatles' first single, backed by "P.S. I Love You". When the single was originally released in the United Kingdom on 5 October 1962, it peaked at No. 17.

Frank Sinatra called Something "The greatest love song ever written." He often performed it in the '70s, at one point wrongly attributing it to Lennon and McCartney rather than Harrison.

The group was inducted into the Rock and Roll Hall of Fame in 1988, and all four were inducted individually from 1994 to 2015.

In May 1960, calling themselves the Silver Beetles, the group undertook a brief tour of Scotland as the backing group for pop singer and fellow Liverpudlian Johnny Gentle.

When writing the sleeve notes for With the Beatles, the band's press officer, Tony Barrow, used the superlative the "fabulous foursome", which the media subsequently adopted as "the Fab Four".

The original title for the film -- only changed to Help! very near to its release -- was Eight Arms To Hold You.

In October 1963, the Beatles began a five-day tour of Sweden, their first time abroad since the final Hamburg engagement of December 1962.

Shortly after leaving the Beatles to return to art school, Sutcliffe died of a brain aneuryism.

The mad scientist Foot was played by the Welsh actor Victor Spinetti.

Astrid Kirchherr is well known for her photographs of the band's original members -- John Lennon, Paul McCartney, George Harrison, Stuart Sutcliffe and Pete Best -- during their early days in Hamburg.