Saint Agatho, (born c. 577, Sicily—died Jan. 10, 681, Rome; feast day January 10), pope from 678 to 681. A cleric well-versed in Latin and Greek, he was elected pope in June 678. He judged that St. Wilfrid, bishop of York, had been unjustly deprived and ordered his restoration, and he received the submission of Exarch Theodore of Ravenna, whose predecessors had aspired to...