Mutual differences after the assaisination of the Third Rightful Caliph Hazrat Usman (RAU).
A Caliphate is an outmoded, tyrannical form of government that only benefits the bullies of society.
The Abbasids fell to an ambush of the mongols; while Umayyads fell to economics.
Abbasid Caliphate.
Rashidun Caliphate was created in 632.
Abbasid caliphate -- Baghdad Ummayyad Caliphate- Cordoba
Sharifian Caliphate was created in 1924.
Sokoto Caliphate ended in 1903.
Caliphate of Córdoba ended in 1031.
Abbasid Caliphate was created in 750.
Caliphate of Córdoba was created in 756.
The Almohad Caliphate lasted from 1121 to 1269.
The Rashidun Caliphate under Omar.