After WW2, there was a Sicilian separatist movement which was heavily backed by mafia. The main goal was the annexation of Sicily to the USA as the 49th state, they got 8.8% of the votes in 1947’s elections.
In 1825, a British geologist went to Sicily and examined the remains of a female saint. He concluded that they weren’t human and likely belonged to a goat. He told the priests, who kicked him out and then placed the bones into a casket to prevent future study.
There was a movement post WW2 to make Sicily a US state. There were 40,000 people in Sicily who actively tried to do this, This was due to common family heritage and the fact Sicily was distinct from the rest of Italy.