Liberius (352–366 CE) is the first early Christian bishop of Rome who is not venerated as a saint, but as a confessor in the Roman Catholic Church (feast day Sep 23). He is a saint in the Eastern Orthodox Church (feast day Aug 27). Liberius’ written output consists of four letters. He is presented as a saintly man, a popular bishop, and a fighter for orthodoxy by his Latin contemporaries Hilary of Poitiers, Ambrose of Milan, Jerome, Ammianus Marcellinus, and Sulpicius Severus; by 5th-century CE Greek church historians Theodoret of Cyrrhus, Socrates Scholasticus, and So…