John Lennon was fascinated with the recurrence of the number nine throughout his life, which included:
Lennon was born on October 9.
His first home was 9 Newcastle Road, Wavertree, Liverpool - three names which each contain nine letters.
The Beatles' first gig at The Cavern Club took place on February 9, 1961.
Brian Epstein, The Beatles' manager, first saw them perform on November 9 that same year.
The Beatles' contract with EMI was confirmed on May 9,1962.
The Beatles' debut single, "Love Me Do
," was on Parlophone R4949.
Lennon's son Sean shared his father's birthday.
As well as this song, which peaked at #9 on the Hot 100, Lennon wrote two others with the same number in the title: "Revolution 9
" and "One After 909