Rubuta ci gaba ga wannan sakin layi - Bayan da aka kashe Uthman, an zabe shi a matsayin halifa na hudu na Musulmai. Zamaninsa ya zo daidai da yakin basasa na farko.
tsakanin Musulmi. Ali ya fuskanci ƙungiyoyin adawa guda biyu: ƙungiyar da Aisha, Talhah, da Zubayr ke jagoranta a Makka, waɗanda ke son yin taro don tantance halifanci. Kuma wata kungiya karkashin jagorancin Muawiyah a Levant wanda ya bukaci fansa ga jinin Uthman. Watanni huɗu bayan halifancinsa, Ali ya ci rukunin farko a Yaƙin Rakumi; Amma a ƙarshe, Yaƙin Siffin tare da Muawiyah ba shi da tasiri a soja, kuma ya haifar da sulhu wanda ya ƙare da siyasa a kan Ali. Sannan, a cikin shekara ta 38 AH, ya yi yaƙi da Kharijites - waɗanda suka ɗauki karɓar Ali na sasantawa a matsayin bidi'a, kuma suka yi tawaye da shi - a Nahrawan kuma suka ci su. Daga karshe an kashe Ali a masallacin Kufa da takobin daya daga cikin Kharijites, Ibn Muljam Moradi, kuma an binne shi a wajen garin Kufa. Daga baya aka gina masallacinsa da birnin Najaf a kusa da kabarinsa.