At 2 PM EST, there was a 10 minute moment of silence in memory of John Lennon.
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John Lennon had his last professional photoshoot.
John Lennon and Yoko Ono marry.
John Lennon and Yoko Ono planted acorns for world peace after also mailing acorns to many world leaders to do the same.
Mark David Chapman pleaded guilty to the murder of John Lennon in New York.
John Lennon sang 'Stand by Me' at his last ever solo live performance.