1) Archimedes, by birth 2) Italian region 3) Like cannoli 4) Mediterranean cuisine 5) One from Palermo 6) Romance language 7) Sinatra or capra 8) Thick-crust pizza style Found on https://www.crosswordclues.com/clue/sicilian
Si·cil'i·an adjective Of or pertaining to Sicily or its inhabitants. Sicilian vespers , the great massacre of the French in Sicily, in the year 1282, on the evening of Easter Monday, at the hour of vespers. Found on http://www.encyclo.co.uk/webster/S/97