Second Fitna
The Second Fitna was a period of general political and military disorder and civil war in the Islamic community during the early Umayyad Caliphate. It followed the death of the first Umayyad caliph Mu'awiya I in 680, and lasted for about twelve years. The war involved the suppression of two challenges to the Umayyad dynasty, the first by Husayn ibn Ali, as well as his supporters including Sulayman ibn Surad and Mukhtar al-Thaqafi who rallied for his revenge in Iraq, and the second by Abd Allah ibn al-Zubayr. The roots of the civil war go back to the First Fitna. After the assassination of the third caliph, Uthman, the Islamic community experienced its first civil war over the question of leadership, with the main contenders being Ali and Mu'awiya. Following the assassination of Ali in 661 and the abdication of his successor Hasan the same year, Mu'awiya became the sole ruler of the caliphate. Mu'awiya's unprecedented move to nominate his son Yazid as his heir sparked opposition, and tensions soared after Mu'awiya's death. Husayn ibn Ali was invited by the pro-Alids of Kufa to overthrow the Umayyads but was killed with his small company en route to Kufa at the