Samarra was the second capital of the Abbasid Caliphate after Baghdad ... as well as the largest palaces in the Islamic world (the Caliphal Palace Qasr al-Khalifa, al-Ja'fari, al Ma'shuq, and others).
Inside the Abbasid palace of Baghdad, built in around 12th century. The caliphates (Islamic states) were governed by a caliph. They were the successors to Muhammad. The first major caliphate was ...
When he fled from his mayors of the palace and became a shadow in Egypt, that pretension was maintained and was assumed by the Turkish Sultan Selim, when in 1517 he took the Caliphate from the hands ...