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Events on Sunday 5 January 842 2
796 – 842Al-Mu'tasim (796-842)Died 5 January 842, aged 45Al-Mu'tasim was the eighth Abbasid Caliph, remembered for founding the garrison city of Samarra as the new Abbasid capital and for relying heavily on Turkic slave-soldiers in his army. He led a major campaign against the Byzantine Empire, sacking the city of Amorium in 838. He died in Samarra and was succeeded by his son al-Wathiq.
842Al-Wathiq becomes Abbasid CaliphSucceeds his father al-Mu'tasim after his deathFollowing the death of Caliph al-Mu'tasim on 5 January 842, his son Harun al-Wathiq was proclaimed Abbasid Caliph in Samarra. His reign continued the Abbasid court's residence at Samarra and its reliance on Turkic military guards. He ruled until his own death in 847.