Saint Eusebius of Vercelli (371)

He was Bishop of Vercelli in northern Italy.  The Arian Emperor Constantius banished him from his see for his strenuous opposition to the Arian heretics, who denied the divinity of Our Lord.  Later he returned to his see where he was martyred by the Arians.

Related Books.

The Martyrdom of St Eusebius, Gaetano Gandolfi, 1784 (source)