Historical preconditions of the emergence of tacfirism in the Islamic world

The history of emergence of takfiri originates from split in Muslim society which occurred during government of the fourth Caliph imam Ali. One part separated from Ummah (society) and accused all others of disbelief. Though attempts to stop distribution of this distemper were made, completely it was not succeeded to liquidate this point of view. Thus, it caused emergence of ideology of kharijites. In article the short analysis on history of emergence of founders of present takfiri, distribution and evolving of this flow is carried out.