(historical) The third caliphate to succeed the Islamic prophet Muhammad.

The Abbasid dynasty or Abbasids were an Arab dynasty that ruled the Abbasid Caliphate between 750 and 1258.

The Abbasid revolution, also called the Movement of the Men of the Black Raiment (jonbash siah jamgan ), was the overthrow of the Umayyad caliphate, the second of the four major caliphates in Islamic history, by the third, the Abbasid caliphate.

Abbasid architecture developed in the Abbasid Caliphate (750 to 1258 CE), primarily in its heartland of Mesopotamia (Iraq).

Samarra is a city in central Iraq, which served as the capital of the Abbasid Caliphate from 836 to 892.

The harem of the caliphs of the Abbasid Caliphate in Baghdad was composed of his mother, wives, slave concubines, female relatives and slave servants (women and eunuchs), occupying a secluded portion of the Abbasid household.