Conversation so far:
When did The Beatles go on tour?
The Beatles 1964 world tour was The Beatles first world tour, launched after their 1964 UK tour.
Where did The Beatles go for the 1964 world tour?
Touring internationally in June and July, the Beatles staged 37 shows over 27 days in Denmark, the Netherlands, Hong Kong, Australia and New Zealand.
Was The Beatles 1964 world tour popular?
The reception was enthusiastic, with The Spectator describing it as hysterical.

Question: When did they meet Bob Dylan?
Self-contained rewrite: When did The Beatles meet Bob Dylan?