The “it” in question was Aftermath, the Rolling Stones' fourth British LP (and sixth U.S. studio release), which would hit No. 1 in the U.K. charts on April 30, 1966. Aftermath was the first ...
Amazingly, in a very odd showing, it’s actually hit the milestone before. The Beatles’ 1962-1966 compilation is down two pegs on the ranking of the most-consumed albums in the U.K. this frame.