17 September

Gregorian anniversary · سبتمبر ١٧

Accession of Hārūn al-Rashīd خلافة هارون الرشيد

On the night al-Hādī dies, the caliphate passes to his brother Hārūn — the reign that became the imagined golden age of Baghdad.

14 Rabīʿ al-Awwal 170 AH14 Sep 786DayAttestedAbbasid · Iraq · Accession

Events whose proleptic Gregorian date falls on this calendar day. Hijri stays canonical for early Islamic history; modern entries were recorded in Gregorian.