The Beatles legend took to Twitter to mark the occasion with a throwback image of the pair in their heyday.
Here are some of Macca's wisest words, shared on his 78th birthday, including quotes concerning the Beatles themselves, plus the nature of art and the importance of vegetarianism.
The photographer, who gave the Beatles' their iconic haircuts, died on Tuesday.
"One band is unbelievably luckily still playing in stadiums and then the other band doesn't exist," the Stones frontman said in a new interview.
The lyrics to the classic Beatles song sold for nearly a million dollars during an auction.
On Tuesday, fans and musicians celebrated "the quiet one" on what would've been the guitarist and songwriter's 77th birthday.
Longtime marijuana advocate Willie Nelson has announced that he's quit smoking pot. These other five celebrities also famously announced that they'd quit smoking the drug—some to success, some to brief notoriety.
The album was released in September 1969 and was the last one to be recorded by the band.
With new movie "Yesterday" imagining a world where The Beatles never existed, here are 10 superb songs by the Fab Four that have already been forgotten.
"The Beatles sound either uptight or, what's worse, so loose as to be coming apart." Newsweek's critic was not impressed by The White Album.
What is a concept album, anyway?
Michael Jackson famously outbid McCartney for publishing rights to the catalog in 1985.
The 1965 concert could have been heard over thunder, Newsweek is told.
The musician has hit the top spot 22 times—including 15 number ones with The Beatles.
The Beatles star called on his musical friend for a donation to his performing arts school.
Held on the same polo grounds as Coachella, some have dubbed the show "Oldchella."
Beatles chronicler and John Lennon devotee Philip Norman has written a surprisingly sympathetic biography of Paul McCartney.
From the organizers behind Coachella, could this be the ultimate rock festival?
George Martin was able to give to three very talented songwriters the ability to bring to life the sounds they heard in their imaginations.
The author was confused with 'Fifth Beatle' George Martin, who died on Tuesday.
The legendary producer was far more than just the "Fifth Beatle."