you should use it like
When Muhammad died he needed a caliph.
Abbasid Caliphate.
Rashidun Caliphate was created in 632.
Abbasid caliphate -- Baghdad Ummayyad Caliphate- Cordoba
Misspelling of the word Caliphate, use of which the moronic Glen Beck has been fearmongering about.
Sharifian Caliphate was created in 1924.
Abbasid Caliphate was created in 750.
Sokoto Caliphate ended in 1903.
Caliphate of Córdoba ended in 1031.
Caliphate of Córdoba was created in 756.
The Almohad Caliphate lasted from 1121 to 1269.
The Caliphate of Cairo
The Rashidun Caliphate under Omar.