In Macbeth the witches' prophecy that is quickly reveleaded to come true is the one Macbeth and Banquo, back from the battlefied, hear the witches tell him : that he will become thane of Cawdon - thane is a rank of the Scotish nobility-. Macbeth is sceptical about this prophecy but it is quickly revealead as true when King Duncan's men come to tell Macbeth that he has been recently become thane of Cawdon.