1911 Encyclopædia Britannica/Hormisdas
HORMISDAS, pope from 514 to 523 in succession to Symmachus, was a native of Campania. He is known as having succeeded in obtaining the reunion of the Eastern and Western Churches, which had been separated since the excommunication of Acacius in 484. After two unsuccessful attempts under the emperor Anastasius I., Hormisdas had no difficulty in coming to an understanding in 518 with his successor Justin. Legates were despatched to Constantinople; the memorial of the schismatic patriarchs was condemned; and union was resumed with the Holy See.
Details of this transaction have come down to us in the Collectio Avellana (Corpus script. eccl. Vindobon., vol. xxv., Nos 105-203; cf. Andreas Thiel, Epp. Rom. Pont. i. 741 seq.).