Pedzisa mutsara unotevera: Muhammad akafa musi wa 8 June 632. Nguva yakatevera rufu rwake, inozivikanwa se
"fitna" yokutanga, yakanga iri imwe yekuparadzaniswa kukuru munyika yeIslam, yaizivikanwa nekukakavadzana kwemukati pakati pevaMuslim kunokonzerwa nenyaya yekutsiva Muhammad, ichiwedzera kuwedzera kupesana kweShia-Sunni.