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known as the "Confessor". A Byzantine historian; born at Constantinople in 758; died in 828. He was appointed patriarch of Constantinople in 806, but on account of his defense of image-worship was persecuted and finally deposed by the Iconoclast Leo V., the Armenian. Retiring to a monastery he wrote a "Breviarium", a brief history of Constantinople (602 to 770), distinguished for accuracy and erudition; a "Chronology" from the beginning of the world; and controversial writings.