What is a Caliphate?Who is a Caliph?How does it come?

Question

What is a Caliphate?Who is a Caliph?How does it come?

Answer 1

A Caliph is the ruler in Islam and a Caliphate is his kingdom.  In Islam the religion is bound to the government.  If a ruler becomes powerful enough and has the right relationship to religion, he becomes a Caliph.

Answer 2

A Caliphate was a system in Islamic states, where the ruler, the Caliph, was considered "messenger of the prophet".

Answer 3

The Caliph (pronounced khaleef in Arabic) is the head of state in a Caliphate, and the title for the leader of the Islamic nation. It is a transliterated version of the Arabic word KhalÄ«fah  which means "successor" or "representative".

A caliphate is the Islamic form of government representing the political unity and leadership of the Muslim world.