Second Fitna

This article records tradition as it has been passed down and reported. Its sources are not yet part of the atlas's verified catalogue.

The Second Fitna was a civil war within the Umayyad Caliphate that broke out after the death of the caliph Mu'awiya I in 680, when his son and successor Yazid I's own succession was rejected outright by rival claimants, most consequentially by Husayn ibn Ali, grandson of the Prophet Muhammad himself, and separately by Abd Allah ibn al-Zubayr, who declared his own rival counter-caliphate from the holy city of Mecca in open defiance of Damascus.

Husayn's small band was surrounded and killed at Karbala in October 680, while Ibn al-Zubayr's own rival caliphate held Mecca, Medina and much of Iraq for over a decade before Umayyad forces under the later caliph Abd al-Malik finally besieged and killed him at Mecca itself in 692. The Umayyad dynasty emerged in full control of the caliphate after more than a decade of open division, but the war's religious consequences outlasted its military resolution by many centuries afterward. The war's two fronts, Husayn's rising in Iraq and Ibn al-Zubayr's counter-caliphate centered on Mecca, were never closely coordinated with one another, and Umayyad forces under Yazid I and later Abd al-Malik were able to confront each in turn rather than face a single unified rebellion.

This article records tradition as it has been passed down and reported. Its sources are not yet part of the atlas's verified catalogue.

The Second Fitna was fought explicitly over who held legitimate authority within the Muslim community after Mu'awiya's own death, and its central episode, the killing of Husayn ibn Ali at Karbala in 680, became the founding martyrdom narrative of Shia Islam itself, fixing a lasting doctrinal and political division between Sunni and Shia Islam that has continued to shape the religion's history down to the present day.

Karbala is commemorated annually by Shia Muslims on Ashura as the founding act of Shia identity and its own distinct understanding of rightful leadership through the Prophet's family line, a religious meaning that long outlived the military contest which first produced it thirteen centuries ago. The war's outcome also cemented Umayyad dynastic succession over the earlier elective caliphate model that had preceded it, a political consequence that ran alongside, and was ultimately outlasted by, its deeper and more enduring religious one. The Sunni tradition, for its part, generally reads Karbala as a tragedy within a single shared community rather than as the founding wound of a separate confessional identity, one of the clearest points on which the two traditions' own historical memory of the same day continues to diverge.