Conversation so far:
when did the isle of man festival of motorcycling start
The MGP, which is organised by the Manx Motor Cycle Club, began life in 1923.
is the man of isle an island
An isle is an island; often used as part of an island's name, or in literary English.
How is the Isle of Man a Crown Dependency?
The United Kingdom Government is responsible for the defence and international relations of the Isle of Man.
which currency is used on the isle of man
The currency used on the Isle of Man is the Pound sterling and Manx pound (£) (GBP).

Question: how long have people lived on the island
Self-contained rewrite: how long have people lived on the isle of man