Born to the nobility, a member of the Alliati family. Known for his learning and his personal piety. Bishop of Milan, Italy c.530. Ordered the history of the Church in Milan known as Historia Datiana. Imprisoned and exiled by Arian Ostrogoths for defending orthodox Christianity. Relocated to Constantinople where he supported Pope Vigilius against Emperor Justinian in the Three Chapters Controversy of 545. Attended the Council of Constantinople in 551 which condemned the Patriarch Mennas.
- “Saint Datius of Milan“. CatholicSaints.Info. 13 January 2010. Web. 29 November 2015. <>