3 1968 , 1999 , 2008 UEFA Cup Winners' Cup : 1 1991 UEFA Super Cup : 1 1991 Worldwide Intercontinental Cup : 1 1999 FIFA Club World Cup : 1 2008 Doubles and Trebles The Double (League and FA Cup): 3 1994, 1996, 1999 (as part of The Treble ) The European Double