Ar-Radi
Abu 'l-Abbas Muhammad ibn Ja'far al-Muqtadir (Arabic: أبو العباس محمد بن جعفر المقتدر) (907 – 23 December 940), usually simply known by his regnal name al-Radi bi-llah (Arabic: الراضي بالله, "Content with God"), was the Abbasid Caliph in Baghdad from 934 to his death at the age of thirty-three in 940.
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