1970

As the U.K. blues-rock boom escalated, they returned with the band's second album in less than a year.

Although they wouldn't officially disband until April 1970, the first signs that the four-headed beast known as the Beatles was starting to come apart at the seams took place on Aug. 22, 1968. A little more than six years to the day that he performed his first show with the group, drummer Ringo Starr walked out during the recording sessions for 'The Beatles.'