A Christian slave of Rome, Callistus was ordained deacon by Pope St. Zephyrinus, whom he succeeded as pope in the year 217. As deacon he was guardian of the Christian cemetery on the Appian Way which is still known by his name. While he vigorously opposed heresy, his charitable attitude toward repentant sinners incurred the wrath of contemporary rigorists. St. Callistus I is honored today in both the current and former (1962) liturgical calendars.
Saint of the Day