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al-Wathiq bi-Llah Umar ibn Ibrahim

Cairo caliph [785–788] under Barquq's deposition of al-Mutawakkil; died Wednesday 19 Shawwal 788.

Reign · Abbasid Caliphate of Cairo · no. 9 in the chain · 1383–1386 CE

Ruled the caliphate

Events of the reign

The introduction of blessings on the Prophet after the adhan

In Sha'ban the muezzins first instituted the salat and taslim on the Prophet after the adhan — the first time it was done, ordered by the muhtasib Najm al-Din al-Tanbudhi.

The museum record for this caliph