Conversation so far:
Are there any interestin aspecgs about the cultural impact of the Beatles?
Many cultural movements of the 1960s were assisted or inspired by the Beatles.
How did the Beatles influence many cultural movements of the 1960s?
In Britain, the Beatles' rise to national prominence signalled the youth-driven changes in postwar society, with respect to social mobility, teenagers' commercial influence, and informality.
Did the Beatles' cultural influence appear anywhere else other than Britain?
The Beatles went on to spearhead the shift from American artists' global dominance of rock and roll to British acts (known as the British Invasion).
Was there any notable song from the Beatles?
The Beatles were seen as an embodiment of the era's sociocultural movements, exemplified by the sentiment of their 1967 song All You Need Is Love.

Question: What impact did they have?
Self-contained rewrite: What impact did the Beatles have?