5C BC Archeological findings in the area of Mendolito, near Adranon, according to Jenkins the site of the ancient Piakos. City of the Sikels, mentioned by Stephane of Byzantium. 427-424 BC First Carthaginian invasion of Sicily. Katane and various Sikel centres sided with the invaders to oppose the Syracusan (Hermocrates) expansion. 424 BC Congress of Gela. Independence of minor towns (for a short time).