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In page Council of Ephesus:

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Seeing the writing on the wall and anticipating his fate, Nestorius requested permission to retire to his former monastery. The synod was dissolved in the beginning of October, and Cyril arrived back to Alexandria amid much joy on 30 October 431. Pope Celestine had died on 27 July 431, but his successor, Sixtus III, gave papal confirmation to the council's actions.[citation needed]