Italian football clubs in international competitions

Italian football clubs have entered European association football competitions (UEFA Champions League/European Cup, UEFA Europa League/UEFA Cup, Inter-Cities Fairs Cup, UEFA Conference League and the now defunct UEFA Intertoto Cup and UEFA Cup Winners' Cup) since the 1955–56 season, when Milan took part in European Cup competition. Nowadays, Italian football is the second force in Europe according to UEFA ranking, following the English league.

Source: Wikipedia — Italian football clubs in international competitions (CC BY-SA 4.0)