John Lennon's widow Yoko Ono will tell people around the world "to learn to love each other in peace" today as millions of people celebrate what would have been the music legend's 70th birthday.
By The Newsroom
Published 8th Oct 2010, 19:11 GMT
Updated 9th Oct 2010, 01:01 GMT
Fans around the world will be remembering the late Beatle at various locations including his home town of Liverpool and a shrine in Central Park, New York, his adopted home. Ono will be leading a celebration in Iceland.