Caliphate n. : The office, dignity, or government of a caliph or of the caliphs.

Example:
Are there any governmental documents of first 200 years Caliphate?

Taxonomy
Caliphate, Caliph, Muslims, rulers, authority, Muhammad, rule, Abbasid caliph, Ottoman, Ali, claim, Islam, Ottoman caliph, Abu Bakr, power, majlis, Egypt, God.

Defination from the web:
caliphate (from the Arabic خلافة or khilāfa) refers to the first form of government inspired by Islam. ... Mustafa Kemal Atatürk officially abolished the last Caliphate, the Ottoman Empire, and founded the Republic of Turkey, in 1924. ...