John Lennon and Yoko Ono left the UK and headed to New York City, US.
Lennon never returned to the UK.
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The Rapid Transit Railroad broke ground on a new underground subway to link Manhattan and Brooklyn.
John Lennon made a controversial statement saying that the Beatles were 'more popular than Jesus.'
The musical 'Sometime' put on its first performance at the Shubert Theatre on Broadway, New York City, US.
Albert Einstein visited New York City and lectured on his Theory of Relativity for the first time.
New York City modernized its subway by starting its first unmanned trains.