During the 1920s, the fascist leaders noted the great propaganda potential in what had become the first national sport.
Most Italian cities were restricted to only a single club that could play professionally, although this rule was relaxed in three major cities of Northern Italy: Genoa, Milan and Turin, places where Italian football was born, which meant that the individual clubs' cultures were by that point too ingrained to be restricted.
Further, due to the strong resistance of Lazio to join Roma, the same treatment was accorded to Rome, the capital.
In general, the challenges between the three most famous teams of the region (Bari, Lecce and Foggia) played in Serie A.
Featured: In addition to those listed the only other derby Calabrian played at least in Serie B is between Cosenza and Crotone in Serie B 2000–01, 2001–02,2018–19 and 2019–20 Historically, the biggest football event of the region is the Derby della Campania, that is the challenge that confronts two teams from Avellino, Napoli and Salerno.