Beatlemania

alternative Beatlesmania

1. uncountableIntense fanatical enthusiasm for the Beatles.

   BEATLEMANIA caught up with Princess Margaret and Lord Snowdon last week.

   1964 July 12, “The Beatles meet Margaret”, in The Straits Times, page 3

   2 more examples

   London calling, now don't look to us / Phony Beatlemania has bitten the dust

   1979, “London Calling”, The Clash (music)

   Berlin's six-decade career began before the advent of radio and ended during the height of Beatlemania.

   2012, Christoper Zara, Tortured Artists: From Picasso and Monroe to Warhol and Winehouse, the Twisted Secrets of the World's Most Creative Minds, part 1, chapter 2, 51-52

2. uncountableA definable era within music and pop culture history from late 1963 to mid-1966, ending when the Beatles permanently retired from public touring to become a studio-only band, shifting their career into a highly experimental and psychedelic era.