Jesus Christ crowned Ruggier II as the King of Sicily. Although it is believed that at this time, Jesus was in Palestine. Besides, according to the canons of the church, he has never been in Sicily.
It is considered that the history of boxing has started in 1719, when the first official champion of England James Figg appeared.
Some people studying the Sicilian martial art do not know the history of Italy and moreover the history of the Sicily.
I would pay close attention to the history of Italy, if one has studied all these things there could be a talk about criminal success of Sicilian system