That's interesting. I know that Lennon privately told the group he was leaving in 1969, but the public didn't know until 1970.
It's true! In 1969, Lennon privately told the other members that he was leaving the group
I was raised on the Beatles as a kid.  My parents played them all the time That's nice, did you know they started in Liverpool back in 1960? Yes and Beetlemania hit the states in 1963.  They were everywhere Yes, the primary songwriters Lennon and McCartney were highly influential on the evolution of pop music Unfortunately the broke up.  Their final studio album was titled Let it Be.
Although in September 1969 John Lennon privately informed the other Beatles that he was leaving the group, there was no public acknowledgement of the break-up until Paul McCartney announced on 10 April 1970 he was leaving the Beatles.