Mark David Chapman was sentenced to 20 years to life in prison for murdering John Lennon.
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John Lennon and Yoko Ono marry.
John Lennon and Yoko Ono left the UK and headed to New York City, US.
The former United States Senator Strom Thurmond sent a secret memo to President Richard Nixon's aide, saying John Lennon should be deported.
John Lennon was given 60 days to leave the US.
John Lennon sang 'Stand by Me' at his last ever solo live performance.
