An kashe Uthman dan Affan, na uku Rashidun caliph, a ƙarshen harin da aka kaiwa gidan sa. Tun da farko zanga-zangar, an kewaye ta ta karu ne sakamakon wata barazanar da aka ce ba ta dace ba har da mutuwar mai zanga-zangar. Masu zanga-zangar sun juya ‘yan tawaye sun bukaci sabon khalifa, Uthman ya ki kuma a ranar 17 ga Yuni, 656 (35 AH), yayin da aka killace gidansa, wasu (kusan 3) masu zanga-zangar sun sami damar tsalle zuwa bayan gidansa, a inda suke ya same shi yana karatun Alqur’ani. Suka yi masa d himka a kansa kuma suka d himka shi. Mutuwar Uthman tana da tasirin gaske a duniyar Musulmi a lokacin. Ba a gabatar da tambayoyi ba game da halinsa da manufofinsa kawai ba, har ma da alaƙar da ke tsakanin Musulmi da jihar, da abubuwan da suka shafi addini game da tawaye da shugabanci, da kuma cancantar yin mulki a cikin Islama. Masu adawa da Uthman sun kewaye shi da dalilai da yawa, manyan wadannan sune nadin danginsa Banu Umayya, a matsayin gwamnonin manyan lardunan musulinci.