Mahdaviyat In Hadith
It is an indisputable fact of Islam that a noble man of the highest caliber, from the progeny of the Holy Prophet (S.A.) and offspring of Hazrat Fatema Zahra (S.A.) will appear in the last era of the world, defunct religion, establish justice and equity and purge the world from all evils. All the sects of Islam unanimously agree that this major upheaval will be known as 'the Revolution of Mahdi.
Verily the Sunni traditionalists have adorned and embellished their books with the detailed narration of this glorious revolution. Of course there is a difference of opinion in their view point regarding his pedigree like some say that he is the immediate son and successor of Imam Hasan Askari (A.S.),