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Abu al-‘Abbās ‘Abdu'llāh ibn Muhammad al-Saffāḥ, or Abul `Abbas as-Saffaḥ (‎; 721/722 – 10 June 754) was the first caliph of the Abbasid caliphate, one of the longest and most important caliphates (Islamic dynasties) in Islamic history. (Due to different traditions of transcribing Arabic names, the spellings As-Saffah and Al-Saffah may both be found.)
Abu al-‘Abbās ‘Abdu'llāh ibn Muhammad al-Saffāḥ