What does Beatlemania mean?

Beatlemania meaning in Etymology Dictionary

1963; see Beatles + mania.The personal event of Beatlemania, which locates expression in bags, balloons as well as other articles bearing the likeness associated with the family, or perhaps in the hysterical screaming of young girls anytime the Beatle Quartet performs in public areas. ["London Times," Dec. 27, 1963]

Beatlemania - German to English